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This repository is a clone of Awesome Go but with stars. All repositories are sorted by star count. Stars are updated every day automatically.

Artificial Intelligence

Libraries for building programs that leverage AI.

75323 Ollama - Run large language models locally.
21408 LocalAI - Open Source OpenAI alternative, self-host AI models.
3669 langchaingo - LangChainGo is a framework for developing applications powered by language models.

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Audio and Music

Libraries for manipulating audio.

1511 Oto - A low-level library to play sound on multiple platforms.
678 PortAudio - Go bindings for the PortAudio audio I/O library.
338 GoAudio - Native Go Audio Processing Library.
326 id3v2 - ID3 decoding and encoding library for Go.
298 flac - Native Go FLAC encoder/decoder with support for FLAC streams.
272 malgo - Mini audio library.
121 gaad - Native Go AAC bitstream parser.
121 minimp3 - Lightweight MP3 decoder library.
32 gosamplerate - libsamplerate bindings for go.

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Authentication and OAuth

Libraries for implementing authentication schemes.

17134 casbin - Authorization library that supports access control models like ACL, RBAC, and ABAC.
6639 jwt-go - A full featured implementation of JSON Web Tokens (JWT). This library supports the parsing and verification as well as the generation and signing of JWTs.
5220 oauth2 - Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine, and App Engine support.
5185 goth - provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple providers out of the box.
4685 keto - Open Source (Go) implementation of "Zanzibar: Google's Consistent, Global Authorization System". Ships gRPC, REST APIs, newSQL, and an easy and granular permission language. Supports ACL, RBAC, and other access models.
3741 authboss - Modular authentication system for the web. It tries to remove as much boilerplate and "hard things" as possible so that each time you start a new web project in Go, you can plug it in, configure it, and start building your app without having to build an authentication system each time.
2463 openfga - Implementation of fine-grained authorization based on the "Zanzibar: Google's Consistent, Global Authorization System" paper. Backed by CNCF.
2013 scs - Session Manager for HTTP servers.
1917 loginsrv - JWT login microservice with pluggable backends such as OAuth2 (Github), htpasswd, osiam.
1887 osin - Golang OAuth2 server library.
1790 gologin - chainable handlers for login with OAuth1 and OAuth2 authentication providers.
1575 gorbac - provides a lightweight role-based access control (RBAC) implementation in Golang.
1246 oidc - Easy to use OpenID Connect client and server library written for Go and certified by the OpenID Foundation
827 paseto - Golang implementation of Platform-Agnostic Security Tokens (PASETO).
648 jwt - Safe, simple, and fast JSON Web Tokens for Go.
531 go-guardian - Go-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication that supports LDAP, Basic, Bearer token, and Certificate based authentication.
507 permissions2 - Library for keeping track of users, login states, and permissions. Uses secure cookies and bcrypt.
351 jwt - Lightweight JSON Web Token (JWT) library.
282 go-jose - Fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs.
264 jeff - Simple, flexible, secure, and idiomatic web session management with pluggable backends.
233 jwt-auth - JWT middleware for Golang http servers with many configuration options.
189 gosession - This is quick session for net/http in GoLang. This package is perhaps the best implementation of the session mechanism, or at least it tries to become one.
134 otpgen - Library to generate TOTP/HOTP codes.
124 sessionup - Simple, yet effective HTTP session management and identification package.
118 sjwt - Simple jwt generator and parser.
115 session - Go session management for web servers (including support for Google App Engine - GAE).
80 branca - branca token 219 specification implementation for Golang 1.15+.
77 securecookie - Efficient secure cookie encoding/decoding.
77 sessions - Dead simple, highly performant, highly customizable sessions service for go http servers.
68 otpgo - Time-Based One-Time Password (TOTP) and HMAC-Based One-Time Password (HOTP) library for Go.
37 scope - Easily Manage OAuth2 Scopes In Go.
16 cookiestxt - provides a parser of cookies.txt file format.

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Blockchain

Tools for building blockchains.

46616 go-ethereum - Official Go implementation of the Ethereum protocol.
15884 kubo - A blockchain framework implemented in Go. It provides content-addressable storage which can be used for decentralized storage in DApps. It is based on the IPFS protocol.
6059 cosmos-sdk - A Framework for Building Public Blockchains in the Cosmos Ecosystem.
5667 tendermint - High-performance middleware for transforming a state machine written in any programming language into a Byzantine Fault Tolerant replicated state machine using the Tendermint consensus and blockchain protocols.
718 solana-go - Go library to interface with Solana JSON RPC and WebSocket interfaces.
569 cometbft - A distributed, Byzantine fault-tolerant, deterministic state machine replication engine. It is a fork of Tendermint Core and implements the Tendermint consensus algorithm.
425 gossamer - A Go implementation of the Polkadot Host.
7 gosemble - A Go-based framework for building Polkadot/Substrate-compatible runtimes.

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Bot Building

Libraries for building and working with bots.

5546 telegram-bot-api - Simple and clean Telegram bot client.
3747 telebot - Telegram bot framework is written in Go.
3663 olivia - A chatbot built with an artificial neural network.
1693 wayback - A bot for Telegram, Mastodon, Slack, and other messaging platforms archives webpages.
1084 Kelp - official trading and market-making bot for the Stellar DEX. Works out-of-the-box, written in Golang, compatible with centralized exchanges and custom trading strategies.
1039 Golang CryptoTrading Bot - A golang implementation of a console-based trading bot for cryptocurrency exchanges.
822 go-chat-bot - IRC, Slack & Telegram bot written in Go.
811 slacker - Easy to use framework to create Slack bots.
484 bot - Zero-dependencies Telegram Bot library with additional UI components
455 telego - Telegram Bot API library for Golang with full one-to-one API implementation.
352 tbot - Telegram bot server with API similar to net/http.
348 go-twitch-irc - Library to write bots for twitch.tv chat
346 echotron - An elegant and concurrent library for Telegram Bots in Go.
260 go-sarah - Framework to build a bot for desired chat services including LINE, Slack, Gitter, and more.
178 Tenyks - Service oriented IRC bot using Redis and JSON for messaging.
169 slack-bot - Ready to use Slack Bot for lazy developers: Custom commands, Jenkins, Jira, Bitbucket, Github...
160 larry - Larry 🐦 is a really simple Twitter bot generator that tweets random repositories from Github built in Go.
154 hanu - Framework for writing Slack bots.
120 go-tgbot - Pure Golang Telegram Bot API wrapper, generated from swagger file, session-based router, and middleware.
88 ephemeral-roles - A Discord bot for managing ephemeral roles based upon voice channel member presence.
83 margelet - Framework for building Telegram bots.
80 go-tg - Generated from official docs Go client library for accessing Telegram Bot API, with batteries for building complex bots included.
56 slackscot - Another framework for building Slack bots.
49 govkbot - Simple Go VK bot library.
34 teleterm - Telegram Bot Exec Terminal Command.
27 micha - Go Library for Telegram bot api.
go-joe - A general-purpose bot library inspired by Hubot but written in Go.

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Build Automation

Libraries and tools help with build automation.

16143 air - Air - Live reload for Go apps.
10441 Task - simple "Make" alternative.
4451 realize - Go build a system with file watchers and live to reload. Run, build and watch file changes with custom paths.
4001 mage - Mage is a make/rake-like build tool using Go.
1708 mmake - Modern Make.
1029 xc - Task runner with README.md defined tasks, executable markdown.
530 goyek - Create build pipelines in Go.
285 taskctl - Concurrent task runner.
223 1build - Command line tool to frictionlessly manage project-specific commands.
80 gaper - Builds and restarts a Go project when it crashes or some watched file changes.
36 anko - Simple application watcher for multiple programming languages.
8 gob - Gradle/Maven like build tool for Go projects.
gilbert - Build system and task runner for Go projects.

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Command Line

Advanced Console UIs

Libraries for building Console Applications and Console User Interfaces.

25221 bubbletea - Go framework to build terminal apps, based on The Elm Architecture.
13040 termui - Go terminal dashboard based on termbox-go and inspired by 15430 blessed-contrib.
9730 gocui - Minimalist Go library aimed at creating Console User Interfaces.
7595 lipgloss - Declaratively define styles for color, format and layout in the terminal.
5235 go-prompt - Library for building a powerful interactive prompt, inspired by 9083 python-prompt-toolkit.
5027 bubbles - TUI components for bubbletea.
4655 termbox-go - Termbox is a library for creating cross-platform text-based interfaces.
4648 pterm - A library to beautify console output on every platform with many combinable components.
3915 progressbar - Basic thread-safe progress bar that works in every OS.
2637 termdash - Go terminal dashboard based on termbox-go and inspired by 13040 termui.
2575 asciigraph - Go package to make lightweight ASCII line graph ╭┈╯ in command line apps with no other dependencies.
2296 spinner - Go package to easily provide a terminal spinner with options.
2261 mpb - Multi progress bar for terminal applications.
2083 uiprogress - Flexible library to render progress bars in terminal applications.
1682 uilive - Library for updating terminal output in real time.
1673 termenv - Advanced ANSI style & color support for your terminal applications.
1476 gookit/color - Terminal color rendering tool library, support 16 colors, 256 colors, RGB color rendering output, compatible with Windows.
1404 aurora - ANSI terminal colors that support fmt.Printf/Sprintf.
809 go-isatty - isatty for golang.
746 go-colorable - Colorable writer for windows.
733 uitable - Library to improve readability in terminal apps using tabular data.
530 gommon/color - Style terminal text.
517 simpletable - Simple tables in a terminal with Go.
509 box-cli-maker - Make Highly Customized Boxes for your CLI.
444 chalk - Intuitive package for prettifying terminal/console output.
433 yacspin - Yet Another CLi Spinner package, for working with terminal spinners.
412 bubble-table - An interactive table component for bubbletea.
351 tabby - A tiny library for super simple Golang tables.
214 go-colortext - Go library for color output in terminals.
102 cfmt - Contextual fmt inspired by bootstrap color classes.
76 tabular - Print ASCII tables from command line utilities without the need to pass large sets of data to the API.
65 cfmt - Simple and convenient formatted stylized output fully compatible with fmt library.
50 table - Small library for terminal color based tables.
46 marker - Easiest way to match and mark strings for colorful terminal outputs.
46 ctc - The non-invasive cross-platform terminal color library does not need to modify the Print method.
26 colourize - Go library for ANSI colour text in terminals.
16 go-ataman - Go library for rendering ANSI colored text templates in terminals.
15 go-palette - Go library that provides elegant and convenient style definitions using ANSI colors. Fully compatible & wraps the fmt library for nice terminal layouts.
7 crab-config-files-templating - Dynamic configuration file templating tool for kubernetes manifest or general configuration files.

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Standard CLI

Libraries for building standard or basic Command Line applications.

36664 cobra - Commander for modern Go CLI interactions.
21872 urfave/cli - Simple, fast, and fun package for building command line apps in Go (formerly codegangsta/cli).
5519 elvish - An expressive programming language and a versatile interactive shell.
4067 survey - Build interactive and accessible prompts with full support for windows and posix terminals.
3460 kingpin - Command line and flag parser supporting sub commands (superseded by kong; see below).
2720 Dnote - A simple command line notebook with multi-device sync.
2522 go-flags - go command line option parser.
2336 pflag - Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
1896 go-arg - Struct-based argument parsing in Go.
1728 mitchellh/cli - Go library for implementing command-line interfaces.
1229 ops - Unikernel Builder/Orchestrator.
1038 liner - Go readline-like library for command-line interfaces.
924 complete - Write bash completions in Go + Go command bash completion.
871 mow.cli - Go library for building CLI applications with sophisticated flag and argument parsing and validation.
854 flaggy - A robust and idiomatic flags package with excellent subcommand support.
764 carapace-bin - Multi-shell multi-command argument completer.
722 cli - Feature-rich and easy to use command-line package based on golang struct tags.
592 argparse - Command line argument parser inspired by Python's argparse module.
285 carapace - Command argument completion generator for spf13/cobra.
216 climax - Alternative CLI with "human face", in spirit of Go command.
214 wmenu - Easy to use menu structure for cli applications that prompt users to make choices.
181 hiboot cli - cli application framework with auto configuration and dependency injection.
172 commandeer - Dev-friendly CLI apps: sets up flags, defaults, and usage based on struct fields and tags.
171 clîr - A Simple and Clear CLI library. Dependency free.
150 sflags - Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin, and other libraries.
143 job - JOB, make your short-term command as a long-term job.
133 cmdr - A POSIX/GNU style, getopt-like command-line UI Go library.
131 flag - Simple but powerful command line option parsing library for Go supporting subcommand.
128 ukautz/clif - Small command line interface framework.
128 cli - Simple and complete API for building command line interfaces in Go.
111 env - Tag-based environment configuration for structs.
111 acmd - Simple, useful, and opinionated CLI package in Go.
92 version - Collects and displays CLI version information in multiple formats along with upgrade notice.
77 readline Shell library with modern and easy to use UI features.
65 gocmd - Go library for building command line applications.
64 wlog - Simple logging interface that supports cross-platform color and concurrency.
58 command-chain - A go library for configure and run command chains - such as pipelining in unix shells.
58 strumt - Library to create prompt chain.
56 go-getoptions - Go option parser inspired by the flexibility of Perl’s GetOpt::Long.
43 flagvar - A collection of flag argument types for Go's standard flag package.
41 cmd - Extends the standard flag package to support sub commands and more in idiomatic way.
41 argv - Go library to split command line string as arguments array using the bash syntax.
35 go-commander - Go library to simplify CLI workflow.
29 go-andotp - A CLI program to encrypt/decrypt 3749 andOTP files. Can be used as a library as well.
26 mcli - A minimal but very powerful cli library for Go.
25 sand - Simple API for creating interpreters and so much more.
20 ts - Timestamp convert & compare tool.
15 carapace-spec - Define simple completions using a spec file.
8 subcmd - Another approach to parsing and running subcommands. Works alongside the standard flag package.

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Configuration

Libraries for configuration parsing.

26204 viper - Go configuration with fangs.
7811 godotenv - Go port of Ruby's dotenv library (Loads environment variables from .env).
4939 kelseyhightower/envconfig - Go library for managing configuration data from environment variables.
4533 env - Parse environment variables to Go structs (with defaults).
3422 ini - Go package to read and write INI files.
2495 koanf - Light weight, extensible library for reading config in Go applications. Built in support for JSON, TOML, YAML, env, command line.
1957 kong - Command-line parser with support for arbitrarily complex command-line structures and additional sources of configuration such as YAML, JSON, TOML, etc (successor to kingpin).
1518 cleanenv - Minimalistic configuration reader (from files, ENV, and wherever you want).
649 konfig - Composable, observable and performant config handling for Go for the distributed processing era.
613 xdg - Go implementation of the XDG Base Directory Specification and XDG user directories.
528 aconfig - Simple, useful and opinionated config loader.
527 gookit/config - application config manage(load,get,set). support JSON, YAML, TOML, INI, HCL. multi file load, data override merge.
492 confita - Load configuration in cascade from multiple backends into a struct.
366 fig - Tiny library for reading configuration from a file and from environment variables (with validation & defaults).
360 GoLobby/Config - GoLobby Config is a lightweight yet powerful configuration manager for the Go programming language.
335 config - Cloud native application configuration. Bind ENV to structs in only two lines.
324 hjson - Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
276 store - Lightweight configuration manager for Go.
268 config - JSON or YAML configuration wrapper with environment variables and flags parsing.
238 envconfig - Read your configuration from environment variables.
216 joshbetz/config - Small configuration library for Go that parses environment variables, JSON files, and reloads automatically on SIGHUP.
206 konf - The simplest API for reading/watching config from file, env, flag and clouds (e.g. AWS, Azure, GCP).
130 harvester - Harvester, an easy to use static and dynamic configuration package supporting seeding, env vars and Consul integration.
116 onion - Layer based configuration for Go, Supports JSON, TOML, YAML, properties, etcd, env, and encryption using PGP.
108 configuration - Library for initializing configuration structs from env variables, files, flags and 'default' tag.
103 envcfg - Un-marshaling environment variables to Go structs.
99 envh - Helpers to manage environment variables.
92 configuro - opinionated configuration loading & validation framework from ENV and Files focused towards 12-Factor compliant applications.
80 xdg - Cross platform package that follows the XDG Standard.
74 hocon - Configuration library for working with the HOCON(a human-friendly JSON superset) format, supports features like environment variables, referencing other values, comments and multiple files.
70 uConfig - Lightweight, zero-dependency, and extendable configuration management.
67 gofigure - Go application configuration made easy.
57 env - A lightweight package for loading environment variables into structs.
56 go-aws-ssm - Go package that fetches parameters from AWS System Manager - Parameter Store.
56 configure - Provides configuration through multiple sources, including JSON, flags and environment variables.
48 gone/jconf - Modular JSON configuration. Keep your config structs along with the code they configure and delegate parsing to submodules without sacrificing full config serialization.
48 config - configure your app using file, environment variables, or flags in two lines of code
43 go-up - A simple configuration library with recursive placeholders resolution and no magic.
37 ingo - Flags persisted in an ini-like config file.
37 go-cfg - The library provides a unified way to read configuration data into a structure from various sources, such as env, flags, and configuration files (.json, .yaml, .toml, .env).
36 genv - Read environment variables easily with dotenv support.
35 mini - Golang package for parsing ini-style configuration files.
34 confiq - Structured data format to config struct decoder library for Go - supporting multiple data formats
32 conflate - Library/tool to merge multiple JSON/YAML/TOML files from arbitrary URLs, validation against a JSON schema, and application of default values defined in the schema.
19 go-ssm-config - Go utility for loading configuration parameters from AWS SSM (Parameter Store).
18 nasermirzaei89/env - Simple useful package for read environment variables.
16 go-array - A Go package that read or set data from map, slice or json.
16 bcl - BCL is a configuration language similar to HCL.
15 ini - INI Parser & Write Library, Unmarshal to Struct, Marshal to Json, Write File, watch file.
14 go-ini - A Go package that marshals and unmarshals INI-files.
11 envconf - Configuration from environment.
10 go-conf - Simple library for application configuration based on annotated structs. It supports reading the configuration from environment variables, config files and command line parameters.
9 typenv - Minimalistic, zero dependency, typed environment variables library.
8 gonfig - Tag-based configuration parser which loads values from different providers into typesafe struct.
8 swap - Instantiate/configure structs recursively, based on build environment. (YAML, TOML, JSON and env).
7 nfigure - Per-library struct-tag based configuration from command lines (Posix & Go-style); environment, JSON, YAML
7 piper - Viper wrapper with config inheritance and key generation.
3 GoCfg - Config manager with Struct Tags based contracts, custom value providers, parsers, and documentation generation. Customizable yet simple.
3 goConfig - Parses a struct as input and populates the fields of this struct with parameters from command line, environment variables and configuration file.

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Continuous Integration

Tools for help with continuous integration.

31807 drone - Drone is a Continuous Integration platform built on Docker, written in Go.
4482 CDS - Enterprise-Grade CI/CD and DevOps Automation Open Source Platform.
3841 woodpecker - Woodpecker is a community fork of the Drone CI system.
783 goveralls - Go integration for Coveralls.io continuous code coverage tracking system.
478 gotestfmt - go test output for humans.
114 overalls - Multi-Package go project coverprofile for tools like goveralls.
64 gomason - Test, Build, Sign, and Publish your go binaries from a clean workspace.
63 go-test-coverage - Tool and GitHub action which reports issues when test coverage is below set threshold.
20 roveralls - Recursive coverage testing tool.
14 dot - A minimal, local first continuous integration system that uses Docker to run jobs concurrently in stages.
13 go-fuzz-action - Use Go 1.18's built-in fuzz testing in GitHub Actions.
8 go-semver-release - Automate the semantic versioning of Git repositories.
4 go-beautiful-html-coverage - A GitHub Action to track code coverage in your pull requests, with a beautiful HTML preview, for free.
Bencher - A suite of continuous benchmarking tools designed to catch performance regressions in CI.

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CSS Preprocessors

Libraries for preprocessing CSS files.

494 gcss - Pure Go CSS Preprocessor.
204 go-libsass - Go wrapper to the 100% Sass compatible libsass project.

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Data Structures and Algorithms

Bit-packing and Compression

2402 roaring - Go package implementing compressed bitsets.
218 binpacker - Binary packer and unpacker helps user build custom binary stream.
157 bit - Golang set data structure with bonus bit-twiddling functions.
94 crunch - Go package implementing buffers for handling various datatypes easily.
36 bingo - Fast, zero-allocation, lexicographical-order-preserving packing of native types to bytes.
31 go-ef - A Go implementation of the Elias-Fano encoding.

Bit Sets

1282 bitset - Go package implementing bitsets.
283 bitmap - Dense, zero-allocation, SIMD-enabled bitmap/bitset in Go.

Bloom and Cuckoo Filters

2329 bloom - Go package implementing Bloom filters.
1586 boomfilters - Probabilistic data structures for processing continuous, unbounded streams.
1089 cuckoofilter - Cuckoo filter: a good alternative to a counting bloom filter implemented in Go.
285 cuckoo-filter - Cuckoo filter: a comprehensive cuckoo filter, which is configurable and space optimized compared with other implements, and all features mentioned in original paper are available.
147 bloom - Bloom filters implemented in Go.
137 ring - Go implementation of a high performance, thread safe bloom filter.
86 bloom - Golang Bloom filter implementation.
17 bloomfilter - Yet another Bloomfilter implementation in Go, compatible with Java's Guava library.

Data Structure and Algorithm Collections

15743 gods - Go Data Structures. Containers, Sets, Lists, Stacks, Maps, BidiMaps, Trees, HashSet etc.
7488 go-datastructures - Collection of useful, performant, and thread-safe data structures.
1006 gostl - Data structure and algorithm library for go, designed to provide functions similar to C++ STL.
780 algorithms - Algorithms and data structures.CLRS study.

Iterators

185 iter - Go implementation of C++ STL iterators and algorithms.
16 goterator - Iterator implementation to provide map and reduce functionalities.

Maps

See also Database for more complex key-value stores, and Trees for additional ordered map implementations.

91 cmap - a thread-safe concurrent map for go, support using interface{} as key and auto scale up shards.
44 dict - Python-like dictionaries (dict) for Go.
37 goradd/maps - Go 1.18+ generic map interface for maps; safe maps; ordered maps; ordered, safe maps; etc.

Miscellaneous Data Structures and Algorithms

2970 gota - Implementation of dataframes, series, and data wrangling methods for Go.
918 hyperloglog - HyperLogLog implementation with Sparse, LogLog-Beta bias correction and TailCut space reduction.
354 go-geoindex - In-memory geo index.
277 hilbert - Go package for mapping values to and from space-filling curves, such as Hilbert and Peano curves.
173 plinko - A finite state machine and workflow orchestrator that compiles for fast execution, easy debugging, auto-generated documentation. Includes advanced features such as side-effect hooks.
132 go-rquad - Region quadtrees with efficient point location and neighbour finding.
125 conjungo - A small, powerful and flexible merge library.
98 go-rampart - Determine how intervals relate to each other.
93 gogu - A comprehensive, reusable and efficient concurrent-safe generics utility functions and data structures library.
79 go-tuple - Generic tuple implementation for Go 1.18+.
67 hide - ID type with marshalling to/from hash to prevent sending IDs to clients.
66 count-min-log - Go implementation Count-Min-Log sketch: Approximately counting with approximate counters (Like Count-Min sketch but using less memory).
59 fsm - Finite-State Machine package.
58 go-generics - Generic slice, map, set, iterator, and goroutine utilities.
54 concurrent-writer - Highly concurrent drop-in replacement for bufio.Writer.
48 genfuncs - Go 1.18+ generics package inspired by Kotlin's Sequence and Map.
44 go18ds - Go Data Structures using Go 1.18 generics.
34 quadtree - Generic, zero-alloc, 100%-test covered quadtree.
18 gofal - fractional api for Go.
18 slices - Pure, generic functions for slices.
16 slices - Functions that operate on slices; like package strings but adapted to work with slices.

Nullable Types

84 nan - Zero allocation Nullable structures in one library with handy conversion functions, marshallers and unmarshallers.
45 typ - Null Types, Safe primitive type conversion and fetching value from complex structures.
35 null - Nullable Go types that can be marshalled/unmarshalled to/from JSON.

Queues

551 deque - Fast ring-buffer deque (double-ended queue).
367 goconcurrentqueue - Concurrent FIFO queue.
253 queue - Multiple thread-safe, generic queue implementations for Go.
177 deque - A highly optimized double-ended queue.
112 memlog - An easy to use, lightweight, thread-safe and append-only in-memory data structure inspired by Apache Kafka.

Sets

3989 golang-set - Thread-Safe and Non-Thread-Safe high-performance sets for Go.
52 goset - A useful Set collection implementation for Go.
26 set - Simple set data structure implementation in Go using LinkedHashMap.
14 dsu - Disjoint Set data structure implementation in Go.

Text Analysis

9759 bleve - Modern text indexing library for go.
734 trie - Trie implementation in Go.
462 go-edlib - Go string comparison and edit distance algorithms library (Levenshtein, LCS, Hamming, Damerau levenshtein, Jaro-Winkler, etc.) compatible with Unicode.
340 go-adaptive-radix-tree - Go implementation of Adaptive Radix Tree.
331 levenshtein - Implementation to calculate levenshtein distance in Go.
86 levenshtein - Levenshtein distance and similarity metrics with customizable edit costs and Winkler-like bonus for common prefix.
38 ptrie - An implementation of prefix tree.
25 mspm - Multi-String Pattern Matching Algorithm for information retrieval.
8 parsefields - Tools for parse JSON-like logs for collecting unique fields and events.

Trees

277 skiplist - Very fast Go Skiplist implementation.
84 skiplist - Skiplist implementation in Go.
56 treemap - Generic key-sorted map using a red-black tree under the hood.
29 hashsplit - Split byte streams into chunks, and arrange chunks into trees, with boundaries determined by content, not position.
27 treap - Persistent, fast ordered map using tree heaps.
15 merkle - Space-efficient computation of Merkle root hashes and inclusion proofs.

Pipes

56 pipeline - An implementation of pipelines with fan-in and fan-out.
37 ordered-concurrently - Go module that processes work concurrently and returns output in a channel in the order of input.
29 parapipe - FIFO Pipeline which parallels execution on each stage while maintaining the order of messages and results.

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Database

Caches

Data stores with expiring records, in-memory distributed data stores, or in-memory subsets of file-based databases.

12808 groupcache - Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
7311 BigCache - Efficient key/value cache for gigabytes of data.
2548 GCache - Cache library with support for expirable Cache, LFU, LRU and ARC.
2334 gocache - A complete Go cache library with multiple stores (memory, memcache, redis, ...), chainable, loadable, metrics cache and more.
2080 cache2go - In-memory key:value cache which supports automatic invalidation based on timeouts.
2025 fastcache - fast thread-safe inmemory cache for big number of entries. Minimizes GC overhead.
1540 otter - A high performance lockless cache for Go. Many times faster than Ristretto and friends.
878 ttlcache - An in-memory cache with item expiration and generics.
361 cachego - Golang Cache component for multiple drivers.
234 theine - High performance, near optimal in-memory cache with proactive TTL expiration and generics.
206 sturdyc - A caching library with advanced concurrency features designed to make I/O heavy applications robust and highly performant.
199 EchoVault - Embeddable Distributed in-memory data store compatible with Redis clients.
177 cache - In-memory key:value store with expiration time, 0 dependencies, <100 LoC, 100% coverage.
147 bcache - Eventually consistent distributed in-memory cache Go library.
138 remember-go - A universal interface for caching slow database queries (backed by redis, memcached, ristretto, or in-memory).
133 go-cache - A flexible multi-layer Go caching library to deal with in-memory and shared cache by adopting Cache-Aside pattern.
118 imcache - A generic in-memory cache Go library. It supports expiration, sliding expiration, max entries limit, eviction callbacks and sharding.
116 go-freelru A GC-less, fast and generic LRU hashmap library with optional locking, sharding, eviction and expiration.
95 go-mcache - Fast in-memory key:value store/cache library. Pointer caches.
70 timedmap - Map with expiring key-value pairs.
63 couchcache - RESTful caching micro-service backed by Couchbase server.
44 clusteredBigCache - BigCache with clustering support and individual item expiration.
37 2q - 2Q in-memory cache implementation.
13 icache - A High Performance, Generic, thread-safe, zero-dependency cache package.
12 gdcache - A pure non-intrusive cache library implemented by golang, you can use it to implement your own distributed cache.
10 nscache - A Go caching framework that supports multiple data source drivers.
9 coherence-go-client - Full implementation of Oracle Coherence cache API for Go applications using gRPC as network transport.
9 ttlcache - In-memory key value storage with TTL for each record.
5 gocache - A data race free Go ache library with high performance and auto pruge functionality

Databases Implemented in Go

53573 prometheus - Monitoring system and time series database.
36450 tidb - TiDB is a distributed SQL database. Inspired by the design of Google F1.
29453 cockroach - Scalable, Geo-Replicated, Transactional Datastore.
28119 influxdb - Scalable datastore for metrics, events, and real-time analytics.
27936 Milvus - Milvus is a vector database for embedding management, analytics and search.
20146 dgraph - Scalable, Distributed, Low Latency, High Throughput Graph Database.
17272 dolt - Dolt – It's Git for Data.
15149 rqlite - The lightweight, distributed, relational database built on SQLite.
13535 badger - Fast key-value store in Go.
11237 VictoriaMetrics - fast, resource-effective and scalable open source time series database. May be used as long-term remote storage for Prometheus. Supports PromQL.
8520 immudb - immudb is a lightweight, high-speed immutable database for systems and applications written in Go.
7849 bbolt - An embedded key/value database for Go.
6072 goleveldb - Implementation of the 35467 LevelDB key/value database in Go.
4588 pebble - RocksDB/LevelDB inspired key-value database in Go.
4439 buntdb - Fast, embeddable, in-memory key/value database for Go with custom indexing and spatial support.
4437 rosedb - An embedded k-v database based on LSM+WAL, supports string, list, hash, set, zset.
4078 ledisdb - Ledisdb is a high performance NoSQL like Redis based on LevelDB.
3397 godis - A Golang implemented high-performance Redis server and cluster.
3317 nutsdb - Nutsdb is a simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.
2852 LinDB - LinDB is a scalable, high performance, high availability distributed time series database.
2720 tiedot - Your NoSQL database powered by Golang.
1987 lotusdb - Fast k/v database compatible with lsm and b+tree.
1484 CovenantSQL - CovenantSQL is a SQL database on blockchain.
1390 column - High-performance, columnar, embeddable in-memory store with bitmap indexing and transactions.
1370 diskv - Home-grown disk-backed key-value store.
1256 pogreb - Embedded key-value store for read-heavy workloads.
1219 Databunker - Personally identifiable information (PII) storage service built to comply with GDPR and CCPA.
1061 objectbox-go - High-performance embedded Object Database (NoSQL) with Go API.
993 eliasdb - Dependency-free, transactional graph database with REST API, phrase search and SQL-like query language.
950 moss - Moss is a simple LSM key-value storage engine written in 100% Go.
625 clover - A lightweight document-oriented NoSQL database written in pure Golang.
414 levigo - Levigo is a Go wrapper for LevelDB.
366 pudge - Fast and simple key/value store written using Go's standard library.
259 Vasto - A distributed high-performance key-value store. On Disk. Eventual consistent. HA. Able to grow or shrink without service interruption.
213 dtf - A distributed transaction manager. Support XA, TCC, SAGA, Reliable Messages.
205 piladb - Lightweight RESTful database engine based on stack data structures.
153 libradb - LibraDB is a simple database with less than 1000 lines of code for learning.
118 unitdb - Fast timeseries database for IoT, realtime messaging applications. Access unitdb with pubsub over tcp or websocket using github.com/unit-io/unitd application.
90 hare - A simple database management system that stores each table as a text file of line-delimited JSON.
63 regatta - Fast, simple, geo-distributed KV store built for cloud native era.
37 Coffer - Simple ACID key-value database that supports transactions.
19 tempdb - Key-value store for temporary items.
Bitcask - Bitcask is an embeddable, persistent and fast key-value (KV) database written in pure Go with predictable read/write performance, low latency and high throughput thanks to the bitcask on-disk layout (LSM+WAL).

Database Schema Migration

14430 migrate - Database migrations. CLI and Golang library.
10425 bytebase - Safe database schema change and version control for DevOps teams.
6112 goose - Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts.
5298 atlas - A Database Toolkit. A CLI designed to help companies better work with their data.
4891 dbmate - A lightweight, framework-agnostic database migration tool.
3125 sql-migrate - Database migration tool. Allows embedding migrations into the application using go-bindata.
1413 soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
1247 skeema - Pure-SQL schema management system for MySQL, with support for sharding and external online schema change tools.
1010 gormigrate - Database schema migration helper for Gorm ORM.
960 goavro - A Go package that encodes and decodes Avro data.
167 migrator - Dead simple Go database migration library.
145 darwin - Database schema evolution library for Go.
86 sqlize - Database migration generator. Allows generate sql migration from model and existing sql by differ them.
84 go-pg-migrations - A Go package to help write migrations with go-pg/pg.
45 avro - Discover SQL schemas and convert them to AVRO schemas. Query SQL records into AVRO bytes.
31 schema - Library to embed schema migrations for database/sql-compatible databases inside your Go binaries.
29 go-fixtures - Django style fixtures for Golang's excellent built-in database/sql library.
25 migrator - MySQL database migrator designed to run migrations to your features and manage database schema update with intuitive go code.
14 libschema - Define your migrations separately in each library. Migrations for open source libraries. MySQL & PostgreSQL.
13 gorm-seeder - Simple database seeder for Gorm ORM.
10 go-pg-migrate - CLI-friendly package for go-pg migrations management.
7 godfish - Database migration manager, works with native query language. Support for cassandra, mysql, postgres, sqlite3.

Database Tools

18127 vitess - vitess provides servers and tools which facilitate scaling of MySQL databases for large scale web services.
8422 pgweb - Web-based PostgreSQL database browser.
4506 go-mysql - Go toolset to handle MySQL protocol and replication.
4140 pREST - Simplify and accelerate development, ⚡ instant, realtime, high-performance on any Postgres application, existing or new.
1233 chproxy - HTTP proxy for ClickHouse database.
1045 pg_timetable - Advanced scheduling for PostgreSQL.
466 clickhouse-bulk - Collects small inserts and sends big requests to ClickHouse servers.
358 rdb - Redis RDB file parser for secondary development and memory analysis.
192 wescale - WeScale is a database proxy designed to enhance the scalability, performance, security, and resilience of your applications.
191 octillery - Go package for sharding databases ( Supports every ORM or raw SQL ).
97 dbbench - Database benchmarking tool with support for several databases and scripts.
65 onedump - Database backup from different drivers to different destinations with one command and configuration.
32 prep - Use prepared SQL statements without changing your code.
25 dg - A fast data generator that produces CSV files from generated relational data.
18 rwdb - rwdb provides read replica capability for multiple database servers setup.
16 gorm-multitenancy - Multi-tenancy support for GORM managed databases.
12 dynago - Simplify working with AWS DynamoDB.
hasql - Library for accessing multi-host SQL database installations.

SQL Query Builders

Libraries for building and using SQL.

11490 sqlc - Generate type-safe code from SQL.
6639 Squirrel - Go library that helps you build SQL queries.
3608 xo - Generate idiomatic Go code for databases based on existing schema definitions or custom queries supporting PostgreSQL, MySQL, SQLite, Oracle, and Microsoft SQL Server.
2288 goqu - Idiomatic SQL builder and query library.
2205 jet - Framework for writing type-safe SQL queries in Go, with ability to easily convert database query result into desired arbitrary object structure.
1598 gendry - Non-invasive SQL builder and powerful data binder.
722 Dotsql - Go library that helps you keep sql files in one place and use them with ease.
627 ozzo-dbx - Powerful data retrieval methods as well as DB-agnostic query building capabilities.
393 dbq - Zero boilerplate database operations for Go.
379 sqlingo - A lightweight DSL to build SQL in Go.
272 sqrl - SQL query builder, fork of Squirrel with improved performance.
195 sq - Type-safe SQL builder and struct mapper for Go.
157 buildsqlx - Go database query builder library for PostgreSQL.
141 sqlf - Fast SQL query builder.
134 bqb - Lightweight and easy to learn query builder.
125 igor - Abstraction layer for PostgreSQL that supports advanced functionality and uses gorm-like syntax.
89 builq - Easily build SQL queries in Go.
59 godbal - Database Abstraction Layer (dbal) for go. Support SQL builder and get result easily.
35 qry - Tool that generates constants from files with raw SQL queries.
30 gosql - SQL Query builder with better null values support.
16 Hotcoal - Secure your handcrafted SQL against injection.
13 ormlite - Lightweight package containing some ORM-like features and helpers for sqlite databases.
6 sg - A SQL Gen for generating standard SQLs(supports: CRUD) written in Go.
Squalus - Thin layer over the Go SQL package that makes it easier to perform queries.

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Database Drivers

Interfaces to Multiple Backends

14794 cayley - Graph database with support for multiple backends.
703 gokv - Simple key-value store abstraction and implementations for Go (Redis, Consul, etcd, bbolt, BadgerDB, LevelDB, Memcached, DynamoDB, S3, PostgreSQL, MongoDB, CockroachDB and many more).
196 go-transaction-manager - Transaction manager with multiple adapters (sql, sqlx, gorm, mongo, ...) controls transaction boundaries.
32 dsc - Datastore connectivity for SQL, NoSQL, structured files.
17 dynamo - A simple key-value abstraction to store algebraic and linked-data data types at AWS storage services: AWS DynamoDB and AWS S3.

Relational Database Drivers

14300 go-sql-driver/mysql - MySQL driver for Go.
9778 pgx - PostgreSQL driver supporting features beyond those exposed by database/sql.
8845 pq - Pure Go Postgres driver for database/sql.
7608 go-sqlite3 - SQLite3 driver for go that uses database/sql.
1803 go-mssqldb - Microsoft MSSQL driver for Go.
638 sqlhooks - Attach hooks to any database/sql driver.
629 go-oci8 - Oracle driver for go that uses database/sql.
510 godror - Oracle driver for Go, using the ODPI-C driver.
409 Sqinn-Go - SQLite with pure Go.
289 KSQL - A Simple and Powerful Golang SQL Library
220 firebirdsql - Firebird RDBMS SQL driver for Go.
218 surrealdb.go - SurrealDB Driver for Go.
141 go-adodb - Microsoft ActiveX Object DataBase driver for go that uses database/sql.
131 ydb-go-sdk - native and database/sql driver YDB (Yandex Database)
117 avatica - Apache Avatica/Phoenix SQL driver for database/sql.
112 gofreetds - Microsoft MSSQL driver. Go wrapper over FreeTDS.
22 bgc - Datastore Connectivity for BigQuery for go.
16 pig - Simple 9778 pgx wrapper to execute and 1225 scan query results easily.

NoSQL Database Drivers

19542 redis - Redis client for Golang.
9717 redigo - Redigo is a Go client for the Redis database.
7998 mongo-go-driver - Official MongoDB driver for the Go language.
2248 rueidis - Fast Redis RESP3 client with auto pipelining and server-assisted client side caching.
1965 mgo - (unmaintained) MongoDB driver for the Go language that implements a rich and well tested selection of features under a very simple API following standard Go idioms.
1721 gomemcache - memcache client library for the Go programming language.
1645 gorethink - Go language driver for RethinkDB.
1283 qmgo - The MongoDB driver for Go. It‘s based on official MongoDB driver but easier to use like Mgo.
735 mgm - MongoDB model-based ODM for Go (based on official MongoDB driver).
435 redeo - Redis-protocol compatible TCP servers/services.
429 aerospike-client-go - Aerospike client in Go language.
390 neoism - Neo4j client for Golang.
360 gocb - Official Couchbase Go SDK.
340 go-rejson - Golang client for redislabs' ReJSON module using Redigo golang client. Store and manipulate structs as JSON objects in redis with ease.
322 go-couchbase - Couchbase client in Go.
303 Kivik - Kivik provides a common Go and GopherJS client library for CouchDB, PouchDB, and similar databases.
111 godis - redis client implement by golang, inspired by jedis.
98 go-mongox - A Go Mongo library based on the official driver, featuring streamlined document operations, generic binding of structs to collections, built-in CRUD, aggregation, automated field updates, struct validation, hooks, and plugin-based programming.
78 Neo4j-GO - Neo4j REST Client in golang.
73 arangolite - Lightweight golang driver for ArangoDB.
58 go-pilosa - Go client library for Pilosa.
37 forestdb - Go bindings for ForestDB.
30 goriak - Go language driver for Riak KV.
28 neo4j - Neo4j Rest API Bindings for Golang.
22 gocosmos - REST client and standard database/sql driver for Azure Cosmos DB.
19 gomemcached - A binary Memcached client for Go with support for sharding using consistent hashing, along with SASL.
19 xredis - Typesafe, customizable, clean & easy to use Redis client.
11 godscache - A wrapper for the Google Cloud Platform Go Datastore package that adds caching using memcached.
10 asc - Datastore Connectivity for Aerospike for go.
gocql - Go language driver for Apache Cassandra.

Search and Analytic Databases

7347 elastic - Elasticsearch client for Go.
5535 go-elasticsearch - Official Elasticsearch client for Go.
2794 clickhouse-go - ClickHouse SQL client for Go with a database/sql compatibility.
1152 elasticsql - Convert sql to elasticsearch dsl in Go.
945 elastigo - Elasticsearch client library.
88 skizze - probabilistic data-structures service and storage.
31 goes - Library to interact with Elasticsearch.

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Date and Time

Libraries for working with dates and times.

4575 carbon - A simple, semantic and developer-friendly golang package for datetime.
4395 now - Now is a time toolkit for golang.
2010 dateparse - Parse date's without knowing format in advance.
770 carbon - Simple Time extension with a lot of util methods, ported from PHP Carbon library.
490 durafmt - Time duration formatting library for Go.
199 gostradamus - A Go package for working with dates.
197 go-persian-calendar - The implementation of the Persian (Solar Hijri) Calendar in Go (golang).
192 timeutil - Useful extensions (Timedelta, Strftime, ...) to the golang's time package.
138 iso8601 - Efficiently parse ISO8601 date-times without regex.
134 go-sunrise - Calculate the sunrise and sunset times for a given location.
129 date - Augments Time for working with dates, date ranges, time spans, periods, and time-of-day.
98 go-str2duration - Convert string to duration. Support time.Duration returned string and more.
83 timespan - For interacting with intervals of time, defined as a start time and a duration.
44 feiertage - Set of functions to calculate public holidays in Germany, incl. specialization on the states of Germany (Bundesländer). Things like Easter, Pentecost, Thanksgiving...
24 kair - Date and Time - Golang Formatting Library.
20 go-anytime - Parse dates/times like "next dec 22nd at 3pm" and ranges like "from today until next thursday" without knowing the format in advance.
18 cronrange - Parses Cron-style time range expressions, checks if the given time is within any ranges.
14 NullTime - Nullable time.Time.
12 approx - A Duration extension supporting parsing/printing durations in days, weeks and years.
12 strftime - C99-compatible strftime formatter.
12 tuesday - Ruby-compatible Strftime function.
9 go-week - An efficient package to work with ISO8601 week dates.
4 go-datebin - A simple datetime parse pkg.

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Distributed Systems

Packages that help with building Distributed Systems.

28068 go-zero - A web and rpc framework. It's born to ensure the stability of the busy sites with resilient design. Builtin goctl greatly improves the development productivity.
26289 go-kit - Microservice toolkit with support for service discovery, load balancing, pluggable transports, request tracking, etc.
22674 Kratos - A modular-designed and easy-to-use microservices framework in Go.
21563 go-micro - A distributed systems development framework.
20175 grpc-go - The Go language implementation of gRPC. HTTP/2 based RPC.
15036 NATS - Lightweight, high performance messaging system for microservices, IoT, and cloud native systems.
12047 micro - A distributed systems runtime for the cloud and beyond.
8007 raft - Golang implementation of the Raft consensus protocol, by HashiCorp.
7999 rpcx - Distributed pluggable RPC service framework like alibaba Dubbo.
6773 Kitex - A high-performance and strong-extensibility Golang RPC framework that helps developers build microservices. If the performance and extensibility are the main concerns when you develop microservices, Kitex can be a good choice.
6196 lura - Ultra performant API Gateway framework with middlewares.
5372 torrent - BitTorrent client package.
4977 dragonboat - A feature complete and high performance multi-group Raft library in Go.
4161 evans - Evans: more expressive universal gRPC client.
3785 emitter-io - High performance, distributed, secure and low latency publish-subscribe platform built with MQTT, Websockets and love.
3405 gleam - Fast and scalable distributed map/reduce system written in pure Go and Luajit, combining Go's high concurrency with Luajit's high performance, runs standalone or distributed.
3195 glow - Easy-to-Use scalable distributed big data processing, Map-Reduce, DAG execution, all in pure Go.
2546 liftbridge - Lightweight, fault-tolerant message streams for NATS.
2076 Dragonfly - Provide efficient, stable and secure file distribution and image acceleration based on p2p technology to be the best practice and standard solution in cloud native architectures.
1398 go-doudou - A gossip protocol and OpenAPI 3.0 spec based decentralized microservice framework. Built-in go-doudou cli focusing on low-code and rapid dev can power up your productivity.
1360 redis-lock - Simplified distributed locking implementation using Redis.
1256 hprose - Very newbility RPC Library, support 25+ languages now.
1063 sponge - A distributed development framework that integrates automatic code generation, gin and grpc frameworks, base development frameworks.
941 rain - BitTorrent client and library.
908 arpc - More effective network communication, support two-way-calling, notify, broadcast.
820 ringpop-go - Scalable, fault-tolerant application-layer sharding for Go applications.
741 go-health - Library for enabling asynchronous dependency health checks in your service.
739 trpc-go - The Go language implementation of tRPC, which is a pluggable, high-performance RPC framework.
692 gorpc - Simple, fast and scalable RPC library for high load.
669 consistent - Consistent hashing with bounded loads.
570 raft - Go implementation of the Raft consensus protocol, by CoreOS.
527 go-sundheit - A library built to provide support for defining async service health checks for golang services.
507 digota - grpc ecommerce microservice.
475 Temporal - Durable execution system for making code fault-tolerant and simple.
381 go-jump - Port of Google's "Jump" Consistent Hash function.
371 sleuth - Library for master-less p2p auto-discovery and RPC between HTTP services (using 9413 ZeroMQ).
318 jsonrpc - JSON-RPC 2.0 HTTP client implementation.
317 Tarmac - Framework for writing functions, microservices, or monoliths with WebAssembly
301 dht - BitTorrent Kademlia DHT implementation.
189 jsonrpc - The jsonrpc package helps implement of JSON-RPC 2.0.
152 outboxer - Outboxer is a go library that implements the outbox pattern.
101 doublejump - A revamped Google's jump consistent hash.
92 Semaphore - A straightforward (micro) service orchestrator.
85 dot - distributed sync using operational transformation/OT.
72 celeriac - Library for adding support for interacting and monitoring Celery workers, tasks and events in Go.
60 go-mysql-lock - MySQL based distributed lock.
58 capillaries - distributed batch data processing framework.
58 flowgraph - flow-based programming package.
48 drmaa - Job submission library for cluster schedulers based on the DRMAA standard.
46 go-pdu - A decentralized identity-based social network.
27 consistenthash - Consistent hashing with configurable replicas.
25 gmsec - A Go distributed systems development framework.
17 dynatomic - A library for using DynamoDB as an atomic counter.
12 failured - adaptive accrual failure detector for distributed systems.
3 bedrock - Provides a minimal, modular and composable foundation for quickly developing services and more use case specific frameworks in Go.
dynamolock - DynamoDB-backed distributed locking implementation.
pjrpc - Golang JSON-RPC Server-Client with Protobuf spec.
resgate - Realtime API Gateway for building REST, real time, and RPC APIs, where all clients are synchronized seamlessly.
pglock - PostgreSQL-backed distributed locking implementation.

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Dynamic DNS

Tools for updating dynamic DNS records.

1478 GoDNS - A dynamic DNS client tool, supports DNSPod & HE.net, written in Go.
247 DDNS - Personal DDNS client with Digital Ocean Networking DNS as backend.
dyndns - Background Go process to regularly and automatically check your IP Address and make updates to (one or many) Dynamic DNS records for Google domains whenever your address changes.

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Email

Libraries and tools that implement email creation and sending.

13570 MailHog - Email and SMTP testing with web and API interface.
4839 Mailpit - Email and SMTP testing tool for developers.
4770 Maddy - All-in-one (SMTP, IMAP, DKIM, DMARC, MTA-STS, DANE) email server
2787 hermes - Golang package that generates clean, responsive HTML e-mails.
2597 email - A robust and flexible email library for Go.
2016 go-imap - IMAP library for clients and servers.
1113 email-verifier - A Go library for email verification without sending any emails.
962 SendGrid - SendGrid's Go library for sending email.
685 mailgun-go - Go library for sending mail with the Mailgun API.
623 go-simple-mail - Very simple package to send emails with SMTP Keep Alive and two timeouts: Connect and Send.
495 go-mail - A simple Go library for sending mails in Go.
364 go-message - Streaming library for the Internet Message Format and mail messages.
242 douceur - CSS inliner for your HTML emails.
223 Hectane - Lightweight SMTP client providing an HTTP API.
141 mailchain - Send encrypted emails to blockchain addresses written in Go.
136 go-premailer - Inline styling for HTML mail in Go.
120 smtpmock - Lightweight configurable multithreaded fake SMTP server. Mimic any SMTP behaviour for your test environment.
95 go-dkim - DKIM library, to sign & verify email.
91 truemail-go - Configurable Golang email validator/verifier. Verify email via Regex, DNS, SMTP and even more.
74 smtp - SMTP server protocol state machine.
60 go-email-normalizer - Golang library for providing a canonical representation of email address.
51 go-email-validator - Modular email validator for syntax, disposable, smtp, etc... checking.
16 mailx - Mailx is a library that makes it easier to send email via SMTP. It is an enhancement of the golang standard library net/smtp.
chasquid - SMTP server written in Go.

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Embeddable Scripting Languages

Embedding other languages inside your go code.

6090 gopher-lua - Lua 5.1 VM and compiler written in Go.
5788 expr - Expression evaluation engine for Go: fast, non-Turing complete, dynamic typing, static typing.
5092 goja - ECMAScript 5.1(+) implementation in Go.
3481 tengo - Bytecode compiled script language for Go.
2993 go-lua - Port of the Lua 5.2 VM to pure Go.
2258 starlark-go - Go implementation of Starlark: Python-like language with deterministic evaluation and hermetic execution.
2109 cel-go - Fast, portable, non-Turing complete expression evaluation with gradual typing.
1523 go-python - naive go bindings to the CPython C-API.
1517 metacall - Cross-platform Polyglot Runtime which supports NodeJS, JavaScript, TypeScript, Python, Ruby, C#, WebAssembly, Java, Cobol and more.
1447 anko - Scriptable interpreter written in Go.
924 go-php - PHP bindings for Go.
777 go-duktape - Duktape JavaScript engine bindings for Go.
760 Wa/凹语言 - The Wa Programming Language embedded in Go.
708 gval - A highly customizable expression language written in Go.
637 golua - Go bindings for Lua C API.
550 prolog - Embeddable Prolog.
511 gisp - Simple LISP in Go.
133 gentee - Embeddable scripting programming language.
75 binder - Go to Lua binding library, based on 6090 gopher-lua.
41 purl - Perl 5.18.2 embedded in Go.
40 ecal - A simple embeddable scripting language which supports concurrent event processing.
27 ngaro - Embeddable Ngaro VM implementation enabling scripting in Retro.
13 starlet - Go wrapper for 2258 starlark-go that simplifies script execution, offers data conversion, and useful Starlark libraries and extensions.
goal - An embeddable scripting array language.

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Error Handling

Libraries for handling errors.

2219 go-multierror - Go (golang) package for representing a list of errors as a single error.
2018 errors - Go error library with error portability over the network.
1480 eris - A better way to handle, trace, and log errors in Go. Compatible with the standard error library and github.com/pkg/errors.
1105 errorx - A feature rich error package with stack traces, composition of errors and more.
931 tracerr - Golang errors with stack trace and source fragments.
457 errlog - Hackable package that determines responsible source code for an error (and some other fast-debugging features). Pluggable to any logger in-place.
331 emperror - Error handling tools and best practices for Go libraries and applications.
224 oops - Error handling with context, stack trace and source fragments.
191 errors - Drop-in replacement for the standard library errors package and github.com/pkg/errors. Provides various error handling primitives.
151 Fault - An ergonomic mechanism for wrapping errors in order to facilitate structured metadata and context for error values.
61 errors - Drop-in replacement for builtin Go errors. This is a minimal error handling package with custom error types, user friendly messages, Unwrap & Is. With very easy to use and straightforward helper functions.
28 exception - A simple utility package for exception handling with try-catch in Golang.
10 Falcon - A Simple Yet Highly Powerful Package For Error Handling.
7 errors - The most simple error wrapper with awesome performance and minimal memory overhead.
6 errors - Simple golang error handling with classification primitives.
errors - Providing errors with a stack trace and optional structured details. Compatible with github.com/pkg/errors API but does not use it internally.

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File Handling

Libraries for handling files and file systems.

6465 pdfcpu - PDF processor.
5776 afero - FileSystem Abstraction System for Go.
3404 gdu - Disk usage analyzer with console interface.
890 notify - File system event notification library with simple API, similar to os/signal.
693 copy - Copy directory recursively.
439 gofs - A cross-platform real-time file synchronization tool out of the box.
297 afs - Abstract File Storage (mem, scp, zip, tar, cloud: s3, gs) for Go.
285 vfs - A pluggable, extensible, and opinionated set of filesystem functionality for Go across a number of filesystem types such as os, S3, and GCS.
253 iso9660 - A package for reading and creating ISO9660 disk images
250 bigfile - A file transfer system, support to manage files with http api, rpc call and ftp client.
233 go-exiftool - Go bindings for ExifTool, the well-known library used to extract as much metadata as possible (EXIF, IPTC, ...) from files (pictures, PDF, office, ...).
118 go-csv-tag - Load csv file using tag.
101 parquet - Read and write parquet files.
101 checksum - Compute message digest, like MD5, SHA256, SHA1, CRC or BLAKE2s, for large files.
97 skywalker - Package to allow one to concurrently go through a filesystem with ease.
75 opc - Load Open Packaging Conventions (OPC) files for Go.
53 baraka - A library to process http file uploads easily.
41 go-gtfs - Load gtfs files in go.
33 flop - File operations library which aims to mirror feature parity with GNU cp.
27 gut/yos - Simple and reliable package for file operations like copy/move/diff/list on files, directories and symbolic links.
22 higgs - A tiny cross-platform Go library to hide/unhide files and directories.
22 go-decent-copy - Copy files for humans.
21 todotxt - Go library for Gina Trapani's todo.txt files, supports parsing and manipulating of task lists in the 2315 todo.txt format.
13 pathtype - Treat paths as their own type instead of using strings.
stl - Modules to read and write STL (stereolithography) files. Concurrent algorithm for reading.

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Financial

Packages for accounting and finance.

6066 decimal - Arbitrary-precision fixed-point decimal numbers.
4864 ticker - Terminal stock watcher and stock position tracker.
1541 go-money - Implementation of Fowler's Money pattern.
1147 bbgo - A crypto trading bot framework written in Go. Including common crypto exchange API, standard indicators, back-testing and many built-in strategies.
869 accounting - money and currency formatting for golang.
809 techan - Technical analysis library with advanced market analysis and trading strategies.
498 currency - Handles currency amounts, provides currency information and formatting.
444 ach - A reader, writer, and validator for Automated Clearing House (ACH) files.
411 orderbook - Matching Engine for Limit Order Book in Golang.
166 go-finance - Library of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
139 sleet - One unified interface for multiple Payment Service Providers (PsP) to process online payment.
134 ofxgo - Query OFX servers and/or parse the responses (with example command-line client).
129 transaction - Embedded transactional database of accounts, running in multithreaded mode.
109 vat - VAT number validation & EU VAT rates.
90 go-finnhub - Client for stock market, forex and crypto data from finnhub.io. Access real-time financial market data from 60+ stock exchanges, 10 forex brokers, and 15+ crypto exchanges.
83 payme - QR code generator (ASCII & PNG) for SEPA payments.
59 currency - High performant & accurate currency computation package.
38 decimal - Immutable decimal numbers with panic-free arithmetic.
29 fpdecimal - Fast and precise serialization and arithmetic for small fixed-point decimals
27 go-finance - Module to fetch exchange rates, check VAT numbers via VIES and check IBAN bank account numbers.
24 fpmoney - Fast and simple ISO4217 fixed-point decimal money.
16 money - Immutable monetary amounts and exchange rates with panic-free arithmetic.
3 go-nowpayments - Library for the crypto NOWPayments API.
swift - Offline validity check of IBAN (International Bank Account Number) and retrieval of BIC (for some countries).

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Forms

Libraries for working with forms.

1539 nosurf - CSRF protection middleware for Go.
1012 gorilla/csrf - CSRF protection for Go web applications & services.
796 binding - Binds form and JSON data from net/http Request to struct.
719 form - Decodes url.Values into Go value(s) and Encodes Go value(s) into url.Values. Dual Array and Full map support.
316 conform - Keeps user input in check. Trims, sanitizes & scrubs data based on struct tags.
287 httpin - Decode an HTTP request into a custom struct, including querystring, forms, HTTP headers, etc.
187 formam - decode form's values into a struct.
137 forms - Framework-agnostic library for parsing and validating form/JSON data which supports multipart forms and files.
74 qs - Go module for encoding structs into URL query parameters.
30 bind - Bind form data to any Go values.
19 queryparam - Decode url.Values into usable struct values of standard or custom types.
8 gbind - Bind data to any Go value. Can use built-in and custom expression binding capabilities; supports data validation
8 checker - Checker helps validating user input through rules defined in struct tags or directly through functions.

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Functional

Packages to support functional programming in Go.

2396 mo - Monads and popular FP abstractions, based on Go 1.18+ Generics (Option, Result, Either...).
1297 go-underscore - Useful collection of helpfully functional Go collection utilities.
345 fpGo - Monad, Functional Programming features for Golang.
327 go-functional - Functional programming in Go using generics
290 fp-go - Collection of Functional Programming helpers powered by Golang 1.18+ generics.
145 gofp - A lodash like powerful utility library for Golang.
141 fuego - Functional Experiment in Go.
107 underscore - Functional programming helpers for Go 1.18 and beyond.
16 valor - Generic option and result types that optionally contain a value.

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Game Development

Awesome game development libraries.

10173 Ebitengine - dead simple 2D game engine in Go.
5177 Leaf - Lightweight game server framework.
4426 Pixel - Hand-crafted 2D game library in Go.
2743 nano - Lightweight, facility, high performance golang based game server framework.
2680 g3n - Go 3D Game Engine.
2533 goworld - Scalable game server engine, featuring space-entity framework and hot-swapping.
2214 Pitaya - Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
2164 go-sdl2 - Go bindings for the Simple DirectMedia Layer.
1718 engo - Engo is an open-source 2D game engine written in Go. It follows the Entity-Component-System paradigm.
1522 Oak - Pure Go game engine.
1414 raylib-go - Go bindings for raylib, a simple and easy-to-use library to learn videogames programming.
1410 termloop - Terminal-based game engine for Go, built on top of Termbox.
1248 gonet - Game server skeleton implemented with golang.
605 Azul3D - 3D game engine written in Go.
587 go-astar - Go implementation of the A* path finding algorithm.
528 Harfang3D - 3D engine for the Go language, works on Windows and Linux ( 37 Harfang on Go.dev).
297 go3d - Performance oriented 2D/3D math package for Go.
141 tile - Data-oriented and cache-friendly 2D Grid library (TileMap), includes pathfinding, observers and import/export.
87 prototype - Cross-platform (Windows/Linux/Mac) library for creating desktop games using a minimal API.
32 fantasyname - Fantasy names generator.

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Generators

Tools that generate Go code.

5545 oapi-codegen - This package contains a set of utilities for generating Go boilerplate code for services based on OpenAPI 3.0 API definitions.
3465 go-linq - .NET LINQ-like query methods for Go.
3220 jennifer - Generate arbitrary Go code without templates.
1198 goderive - Derives functions from input types.
990 GoWrap - Generate decorators for Go interfaces using simple templates.
679 go-enum - Code generation for enums from code comments.
459 goverter - Generate converters by defining an interface.
420 interfaces - Command line tool for generating interface definitions.
337 copygen - Generate type-to-type and type-based code without reflection.
60 gotype - Golang source code parsing, usage like reflect package.
43 generis - Code generation tool providing generics, free-form macros, conditional compilation and HTML templating.
31 convergen - Feature rich type-to-type copy code generator.
23 typeregistry - A library to create type dynamically.

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Geographic

Geographic tools and servers

8957 Tile38 - Geolocation DB with spatial index and realtime geofencing.
1645 S2 geometry - S2 geometry library in Go.
615 mbtileserver - A simple Go-based server for map tiles stored in mbtiles format.
606 geoos - A library provides spatial data and geometric algorithms.
348 osm - Library for reading, writing and working with OpenStreetMap data and APIs.
285 H3 - Go bindings for H3, a hierarchical hexagonal geospatial indexing system.
123 simplefeatures - simplesfeatures is a 2D geometry library that provides Go types that model geometries, as well as algorithms that operate on them.
122 godal - Go wrapper for GDAL.
116 WGS84 - Library for Coordinate Conversion and Transformation (ETRS89, OSGB36, NAD83, RGF93, Web Mercator, UTM).
86 geoserver - geoserver Is a Go Package For Manipulating a GeoServer Instance via the GeoServer REST API.
53 gismanager - Publish Your GIS Data(Vector Data) to PostGIS and Geoserver.
48 pbf - OpenStreetMap PBF golang encoder/decoder.
27 S2 geojson - Convert geojson to s2 cells & demonstrating some S2 geometry features on map.
7 Web-Mercator-Projection A project to easily use and convert LonLat, Point and Tile to display info, markers, etc, in a map using the Web Mercator Projection.
3 H3 GeoJSON - Conversion utilities between H3 indexes and GeoJSON.
2 H3GeoDist - Distribution of Uber H3geo cells by virtual nodes.

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Go Compilers

Tools for compiling Go to other languages.

12571 gopherjs - Compiler from Go to JavaScript.
431 tardisgo - Golang to Haxe to CPP/CSharp/Java/JavaScript transpiler.
363 c4go - Transpile C code to Go code.
307 c2go - Convert C code to Go code.
82 esp32 - Transpile Go into Arduino code.
42 f4go - Transpile FORTRAN 77 code to Go code.

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Goroutines

Tools for managing and working with Goroutines.

12374 ants - A high-performance and low-cost goroutine pool in Go.
8610 conc - conc is your toolbelt for structured concurrency in go, making common tasks easier and safer.
3834 tunny - Goroutine pool for golang.
2785 goworker - goworker is a Go-based background worker.
1343 pond - Minimalistic and High-performance goroutine worker pool written in Go.
1265 workerpool - Goroutine pool that limits the concurrency of task execution, not the number of tasks queued.
741 grpool - Lightweight Goroutine pool.
721 pool - Limited consumer goroutine or unlimited goroutine pool for easier goroutine handling and cancellation.
493 gowp - gowp is concurrency limiting goroutine pool.
337 flowmatic - Structured concurrency made easy.
270 go-floc - Orchestrate goroutines with ease.
218 go-flow - Control goroutines execution order.
204 routine - routine is a ThreadLocal for go library. It encapsulates and provides some easy-to-use, non-competitive, high-performance goroutine context access interfaces, which can help you access coroutine context information more gracefully.
190 async - An alternative sync library for Go (Future, Promise, Locks).
187 artifex - Simple in-memory job queue for Golang using worker-based dispatching.
170 semaphore - Fast resizable semaphore implementation based on CAS (faster than channel-based semaphore implementations).
164 go-workers - Easily and safely run workers for large data processing pipelines.
160 neilotoole/errgroup - Drop-in alternative to sync/errgroup, limited to a pool of N worker goroutines.
139 cyclicbarrier - CyclicBarrier for golang.
135 async - A safe way to execute functions asynchronously, recovering them in case of panic.
125 go-actor - A tiny library for writing concurrent programs using actor model.
120 gollback - asynchronous simple function utilities, for managing execution of closures and callbacks.
101 threadpool - Golang threadpool implementation.
99 Hunch - Hunch provides functions like: All, First, Retry, Waterfall etc., that makes asynchronous flow control more intuitive.
98 semaphore - Semaphore pattern implementation with timeout of lock/unlock operations based on channel and context.
91 worker-pool - goworker is a Go simple async worker pool.
89 gpool - manages a resizeable pool of context-aware goroutines to bound concurrency.
70 goccm - Go Concurrency Manager package limits the number of goroutines that allowed to run concurrently.
66 gowl - Gowl is a process management and process monitoring tool at once. An infinite worker pool gives you the ability to control the pool and processes and monitor their status.
63 nursery - Structured concurrency in Go.
61 routine - go routine control with context, support: Main, Go, Pool and some useful Executors.
52 gohive - A highly performant and easy to use Goroutine pool for Go.
50 kyoo - Provides an unlimited job queue and concurrent worker pools.
46 go-waitgroup - Like sync.WaitGroup with error handling and concurrency control.
36 parallel-fn - Run functions in parallel.
34 go-trylock - TryLock support on read-write lock for Golang.
30 stl - Software transactional locks based on Software Transactional Memory (STM) concurrency control mechanism.
30 channelify - Transform your function to return channels for easy and powerful parallel processing.
20 execpool - A pool built around exec.Cmd that spins up a given number of processes in advance and attaches stdin and stdout to them when needed. Very similar to FastCGI or Apache Prefork MPM but works for any command.
18 queue - Gives you a sync.WaitGroup like queue group accessibility. Helps you to throttle and limit goroutines, wait for the end of the all goroutines and much more.
17 concurrency-limiter - Concurrency limiter with support for timeouts, dynamic priority and context cancellation of goroutines.
17 breaker - Flexible mechanism to make execution flow interruptible.
15 conexec - A concurrent toolkit to help execute funcs concurrently in an efficient and safe way. It supports specifying the overall timeout to avoid blocking and uses goroutine pool to improve efficiency.
15 go-tools/multithreading - Manage a pool of goroutines using this lightweight library with a simple API.
12 go-workerpool - Inspired from Java Thread Pool, Go WorkerPool aims to control heavy Go Routines.
10 hands - A process controller used to control the execution and return strategies of multiple goroutines.
8 async-job - AsyncJob is an asynchronous queue job manager with light code, clear and speed.
6 go-accumulator - Solution for accumulation of events and their subsequent processing.
oversight - Oversight is a complete implementation of the Erlang supervision trees.

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GUI

Libraries for building GUI Applications.

Toolkits

23856 fyne - Cross platform native GUIs designed for Go based on Material Design. Supports: Linux, macOS, Windows, BSD, iOS and Android.
12308 webview - Cross-platform webview window with simple two-way JavaScript bindings (Windows / macOS / Linux).
10297 qt - Qt binding for Go (support for Windows / macOS / Linux / Android / iOS / Sailfish OS / Raspberry Pi).
8335 ui - Platform-native GUI library for Go. Cross platform.
7761 app - Package to create apps with GO, HTML and CSS. Supports: MacOS, Windows in progress.
6772 walk - Windows application library kit for Go.
2565 go-sciter - Go bindings for Sciter: the Embeddable HTML/CSS/script engine for modern desktop UI development. Cross platform.
2057 gotk3 - Go bindings for GTK3.
979 Spot - Reactive, cross-platform desktop GUI toolkit.
425 gowd - Rapid and simple desktop UI development with GO, HTML, CSS and NW.js. Cross platform.
323 energy - Cross-platform based on LCL(Native System UI Control Library) and CEF(Chromium Embedded Framework) (Windows/ macOS / Linux)
164 unison - A unified graphical user experience toolkit for Go desktop applications. macOS, Windows, and Linux are supported.
10 goradd/html5tag - Library for outputting HTML5 tags.
Goey - Cross platform UI toolkit aggregator for Windows / Linux / Mac. GTK, Cocoa, Windows API
go-gtk - Go bindings for GTK.
Wails - Mac, Windows, Linux desktop apps with HTML UI using built-in OS HTML renderer.
gio - Gio is a library for writing cross-platform immediate mode GUI-s in Go. Gio supports all the major platforms: Linux, macOS, Windows, Android, iOS, FreeBSD, OpenBSD and WebAssembly.

Interaction

9412 robotgo - Go Native cross-platform GUI system automation. Control the mouse, keyboard and other.
3181 systray - Cross platform Go library to place an icon and menu in the notification area.
671 zenity - Cross-platform Go library and CLI to create simple dialogs that interact graphically with the user.
586 gosx-notifier - OSX Desktop Notifications library for Go.
251 trayhost - Cross-platform Go library to place an icon in the host operating system's taskbar.
32 mac-sleep-notifier - OSX Sleep/Wake notifications in golang.
28 mac-activity-tracker - OSX library to notify about any (pluggable) activity on your machine.
5 AppIndicator Go - Go bindings for libappindicator3 C library.

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Hardware

Libraries, tools, and tutorials for interacting with hardware.

4223 arduino-cli - Official Arduino CLI and library. Can run standalone, or be incorporated into larger Go projects.
2157 go-rpio - GPIO for Go, doesn't require cgo.
1607 ghw - Golang hardware discovery/inspection library.
1061 emgo - Go-like language for programming embedded systems (e.g. STM32 MCU).
508 sysinfo - A pure Go library providing Linux OS / kernel / hardware system information.
311 goroslib - Robot Operating System (ROS) library for Go.
193 go-osc - Open Sound Control (OSC) bindings for Go.
58 joystick - a polled API to read the state of an attached joystick.

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Images

Libraries for manipulating images.

6412 gocv - Go package for computer vision using OpenCV 3.3+.
5397 imaginary - Fast and simple HTTP microservice for image resizing.
5138 imaging - Simple Go image processing package.
4324 gg - 2D rendering in pure Go.
3935 bild - Collection of image processing algorithms in pure Go.
3252 ln - 3D line art rendering in Go.
2761 gowitness - Screenshoting webpages using go and headless chrome on command line.
2604 bimg - Small package for fast and efficient image processing using libvips.
2124 svgo - Go Language Library for SVG generation.
2070 pt - Path tracing engine written in Go.
2062 picfit - An image resizing server written in Go.
1801 smartcrop - Finds good crops for arbitrary images and crop sizes.
1734 gift - Package of image processing filters.
1733 imagick - Go binding to ImageMagick's MagickWand C API.
1455 canvas - Vector graphics to PDF, SVG or rasterized image.
1266 geopattern - Create beautiful generative image patterns from a string.
1187 govips - A lightning fast image processing and resizing library for Go.
1177 stegify - Go tool for LSB steganography, capable of hiding any file within an image.
841 image2ascii - Convert image to ASCII.
712 goimagehash - Go Perceptual image hashing package.
580 govatar - Library and CMD tool for generating funny avatars.
578 draft - Generate High Level Microservice Architecture diagrams for GraphViz using simple YAML syntax.
504 mort - Storage and image processing server written in Go.
409 go-nude - Nudity detection with Go.
302 steganography - Pure Go Library for LSB steganography.
237 gltf - Efficient and robust glTF 2.0 reader, writer and validator.
229 mergi - Tool & Go library for image manipulation (Merge, Crop, Resize, Watermark, Animate).
223 darkroom - An image proxy with changeable storage backends and image processing engines with focus on speed and resiliency.
211 rez - Image resizing in pure Go and SIMD.
208 go-webp - Library for encode and decode webp pictures, using libwebp.
196 transformimgs - Transformimgs resizes and optimises images for Web using next-generation formats.
152 img - Selection of image manipulation tools.
140 go-cairo - Go binding for the cairo graphics library.
117 cameron - An avatar generator for Go.
88 color-extractor - Dominant color extractor with no external dependencies.
77 gridder - A Grid based 2D Graphics library.
72 webp-server - Simple and minimal image server capable of storing, resizing, converting and caching images.
58 go-gd - Go binding for GD library.
39 goimghdr - The imghdr module determines the type of image contained in a file for Go.
33 tga - Package tga is a TARGA image format decoder/encoder.
27 go-webcolors - Port of webcolors library from Python to Go.
16 mpo - Decoder and conversion tool for MPO 3D Photos.
14 scout - Scout is a standalone open source software solution for DIY video security.

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IoT (Internet of Things)

Libraries for programming devices of the IoT.

8804 gobot - Gobot is a framework for robotics, physical computing, and the Internet of Things.
2384 flogo - Project Flogo is an Open Source Framework for IoT Edge Apps & Integration.
1399 ekuiper - Lightweight data stream processing engine for IoT edge.
1114 gatt - Gatt is a Go package for building Bluetooth Low Energy peripherals.
398 connectordb - Open-Source Platform for Quantified Self & IoT.
263 devices - Suite of libraries for IoT devices, experimental for x/exp/io.
246 huego - An extensive Philips Hue client library for Go.
230 sensorbee - Lightweight stream processing engine for IoT.
66 iot - IoT is a simple framework for implementing a Google IoT Core device.
62 eywa - Project Eywa is essentially a connection manager that keeps track of connected devices.
33 mainflux - Industrial IoT Messaging and Device Management Server.
periph - Peripherals I/O to interface with low-level board facilities.

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Job Scheduler

Libraries for scheduling jobs.

5113 gocron - Easy and fluent Go job scheduling. This is an actively maintained fork of 3412 jasonlvhit/gocron.
1724 go-quartz - Simple, zero-dependency scheduling library for Go.
1299 Dagu - No-code workflow executor. it executes DAGs defined in a simple YAML format.
1026 JobRunner - Smart and featureful cron job scheduler with job queuing and live monitoring built in.
1018 gron - Define time-based tasks using a simple Go API and Gron’s scheduler will run them accordingly.
498 jobs - Persistent and flexible background jobs library.
442 scheduler - Cronjobs scheduling made easy.
381 gronx - Cron expression parser, task runner and daemon consuming crontab like task list.
298 goflow - A simple but powerful DAG scheduler and dashboard.
271 tasks - An easy to use in-process scheduler for recurring tasks in Go.
227 go-cron - Simple Cron library for go that can execute closures or functions at varying intervals, from once a second to once a year on a specific date and time. Primarily for web applications and long running daemons.
143 clockwerk - Go package to schedule periodic jobs using a simple, fluent syntax.
130 cheek - A simple crontab like scheduler that aims to offer a KISS approach to job scheduling.
103 leprechaun - Job scheduler that supports webhooks, crons and classic scheduling.
47 cdule - Job scheduler library with database support
28 sched - A job scheduler with the ability to fast-forward time.
16 cronticker - A ticker implementation to support cron schedules.
9 go-dag - A framework developed in Go that manages the execution of workflows described by directed acyclic graphs.

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JSON

Libraries for working with JSON.

13835 GJSON - Get a JSON value with one line of code.
3403 gabs - For parsing, creating and editing unknown or dynamic JSON in Go.
2652 gojson - Automatically generate Go (golang) struct definitions from example JSON.
2202 fastjson - Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection.
809 OjG - Optimized JSON for Go is a high performance parser with a variety of additional JSON tools including JSONPath.
483 jsondiff - JSON diff library for Go based on RFC6902 (JSON Patch).
361 marshmallow - Performant JSON unmarshalling for flexible use cases.
275 kazaam - API for arbitrary transformation of JSON documents.
222 ajson - Abstract JSON for golang with JSONPath support.
191 gojq - JSON query in Golang.
180 jsonvalue - A fast and convenient library for unstructured JSON data, replacing encoding/json.
170 jettison - Fast and flexible JSON encoder for Go.
128 json2go - Advanced JSON to Go struct conversion. Provides package that can parse multiple JSON documents and create struct to fit them all.
123 gjo - Small utility to create JSON objects.
109 jsongo - Fluent API to make it easier to create Json objects.
105 JayDiff - JSON diff utility written in Go.
87 jscan - High performance zero-allocation JSON iterator.
76 ujson - Fast and minimal JSON parser and transformer that works on unstructured JSON.
65 jsonf - Console tool for highlighted formatting and struct query fetching JSON.
53 go-respond - Go package for handling common HTTP JSON responses.
47 mp - Simple cli email parser. It currently takes stdin and outputs JSON.
43 jsoncolor - Drop-in replacement for encoding/json that outputs colorized JSON.
41 ask - Easy access to nested values in maps and slices. Works in combination with encoding/json and other packages that "Unmarshal" arbitrary data into Go data-types.
40 vjson - Go package for validating JSON objects with declaring a JSON schema with fluent API.
22 gojmapr - Get simple struct from complex json by json path.
18 mapslice-json - Go MapSlice for ordered marshal/ unmarshal of maps in JSON.
16 dynjson - Client-customizable JSON formats for dynamic APIs.
15 go-jsonerror - Go-JsonError is meant to allow us to easily create json response errors that follow the JsonApi spec.
14 jsonhal - Simple Go package to make custom structs marshal into HAL compatible JSON responses.
14 epoch - Contains primitives for marshaling/unmarshalling Unix timestamp/epoch to/from build-in time.Time type in JSON.
14 jsonapi-errors - Go bindings based on the JSON API errors reference.
12 jzon - JSON library with standard compatible API/behavior.
11 jsonic - Utilities to handle and query JSON without defining structs in a type safe manner.
10 ej - Write and read JSON from different sources succinctly.
7 htmljson - Rich rendering of JSON as HTML in Go.
5 omg.jsonparser - Simple JSON parser with validation by condition via golang struct fields tags.
2 jsonhandlers - JSON library to expose simple handlers that lets you easily read and write json from various sources.
JSON-to-Proto - Convert JSON to Protobuf online.
JSON-to-Go - Convert JSON to Go struct.

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Logging

Libraries for generating and working with log files.

24264 logrus - Structured logger for Go.
21231 zap - Fast, structured, leveled logging in Go.
10050 zerolog - Zero-allocation JSON logger.
5973 spew - Implements a deep pretty printer for Go data structures to aid in debugging.
4684 lumberjack - Simple rolling logger, implements io.WriteCloser.
3511 glog - Leveled execution logs for Go.
2683 tail - Go package striving to emulate the features of the BSD tail program.
1805 pp - Colored pretty printer for Go language.
1638 seelog - Logging functionality with flexible dispatching, filtering, and formatting.
1351 log - Structured logging package for Go.
1103 log15 - Simple, powerful logging for Go.
644 tint - A slog.Handler that writes tinted logs.
626 phuslu/log - High performance structured logging.
416 onelog - Onelog is a dead simple but very efficient JSON logger. It is the fastest JSON logger out there in all scenarios. Also, it is one of the logger with the lowest allocation.
390 httpretty - Pretty-prints your regular HTTP requests on your terminal for debugging (similar to http.DumpRequest).
366 logutils - Utilities for slightly better logging in Go (Golang) extending the standard logger.
361 slog - Lightweight, configurable, extensible logger for Go.
354 logxi - 12-factor app logger that is fast and makes you happy.
347 sqldb-logger - A logger for Go SQL database driver without modify existing *sql.DB stdlib usage.
296 slog-multi - Chain of slog.Handler (pipeline, fanout...).
294 rollingwriter - RollingWriter is an auto-rotate io.Writer implementation with multi policies to provide log file rotation.
292 log - Simple, configurable and scalable Structured Logging for Go.
286 go-logger - Simple logger of Go Programs, with level handlers.
199 logur - An opinionated logger interface and collection of logging best practices with adapters and integrations for well-known libraries ( 24264 logrus, 26289 go-kit log, 21231 zap, 10050 zerolog, etc).
189 glg - glg is simple and fast leveled logging library for Go.
158 logger - Minimalistic logging library for Go.
138 xlog - Structured logger for net/context aware HTTP handlers with flexible dispatching.
122 ozzo-log - High performance logging supporting log severity, categorization, and filtering. Can send filtered log messages to various targets (e.g. console, network, mail).
98 slog-formatter - Common formatters for slog and helpers to build your own.
94 log-voyage - Full-featured logging saas written in golang.
56 go-cronowriter - Simple writer that rotate log files automatically based on current date and time, like cronolog.
48 gone/log - Fast, extendable, full-featured, std-lib source compatible log library.
47 stdlog - Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs.
44 noodlog - Parametrized JSON logging library which lets you obfuscate sensitive data and marshal any kind of content. No more printed pointers instead of values, nor escape chars for the JSON strings.
43 logex - Golang log lib, supports tracking and level, wrap by standard log lib.
43 go-log - Log4j implementation in Go.
38 journald - Go implementation of systemd Journal's native API for logging.
34 mlog - Simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output.
33 go-log - Log lib supports level and multi handlers.
31 distillog - distilled levelled logging (think of it as stdlib + log levels).
28 logrusly - 24264 logrus plug-in to send errors to a Loggly.
26 zkits-logger - A powerful zero-dependency JSON logger.
26 log - Structured log interface for Go cleanly separates logging facade from its implementation.
19 gomol - Multiple-output, structured logging for Go with extensible logging outputs.
19 zax - Integrate Context with Zap logger, which leads to more flexibility in Go logging.
16 xylog - Leveled and structured logging, dynamic fields, high performance, zone management, simple configuration, and readable syntax.
16 logrusiowriter - io.Writer implementation using 24264 logrus logger.
15 glo - PHP Monolog inspired logging facility with identical severity levels.
15 log - Simple leveled logging wrapper around standard log package.
14 go-log - Simple and configurable Logging in Go, with level, formatters and writers.
13 kemba - A tiny debug logging tool inspired by 11034 debug, great for CLI tools and applications.
11 logdump - Package for multi-level logging.
11 logo - Golang logger to different configurable writers.
10 log - An O(1) logging system that allows you to connect one log to multiple writers (e.g. stdout, a file and a TCP connection).
10 go-log - A logging library with stack traces, object dumping and optional timestamps.
8 xlog - Plugin architecture and flexible log system for Go, with level ctrl, multiple log target and custom log format.
5 structy/log - A simple to use log system, minimalist but with features for debugging and differentiation of messages.
5 zl - High Developer Experience, zap based logger. It offers rich functionality but is easy to configure.
3 slf4g - Simple Logging Facade for Golang: Simple structured logging; but powerful, extendable and customizable, with huge amount of learnings from decades of past logging frameworks.
3 log - A simple logging framework out of the box.
1 yell - Yet another minimalistic logging library.
slogor - A colorful slog handler.

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Machine Learning

Libraries for Machine Learning.

9218 GoLearn - General Machine Learning library for Go.
8281 gorse - An offline recommender system backend based on collaborative filtering written in Go.
5397 gorgonia - graph-based computational library like Theano for Go that provides primitives for building various machine learning and neural network algorithms.
2737 m2cgen - A CLI tool to transpile trained classic ML models into a native Go code with zero dependencies, written in Python with Go language support.
2569 gosseract - Go package for OCR (Optical Character Recognition), by using Tesseract C++ library.
2400 tfgo - Easy to use Tensorflow bindings: simplifies the usage of the official Tensorflow Go bindings. Define computational graphs in Go, load and execute models trained in Python.
1549 goml - On-line Machine Learning in Go.
877 eaopt - An evolutionary optimization library.
793 bayesian - Naive Bayesian Classification for Golang.
736 CloudForest - Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Go.
670 ocrserver - A simple OCR API server, seriously easy to be deployed by Docker and Heroku.
652 onnx-go - Go Interface to Open Neural Network Exchange (ONNX).
555 gobrain - Neural Networks written in go.
523 go-deep - A feature-rich neural network library in Go.
313 regommend - Recommendation & collaborative filtering engine.
255 Goptuna - Bayesian optimization framework for black-box functions written in Go. Everything will be optimized.
217 goga - Genetic algorithm library for Go.
204 goRecommend - Recommendation Algorithms library written in Go.
199 go-galib - Genetic Algorithms library written in Go / golang.
189 hugot - Huggingface transformer pipelines for golang with onnxruntime.
157 shield - Bayesian text classifier with flexible tokenizers and storage backends for Go.
115 go-featureprocessing - Fast and convenient feature processing for low latency machine learning in Go.
115 go-fann - Go bindings for Fast Artificial Neural Networks(FANN) library.
98 goscore - Go Scoring API for PMML.
82 gonet - Neural Network for Go.
82 fonet - A Deep Neural Network library written in Go.
81 GoMind - A simplistic Neural Network Library in Go.
73 libsvm - libsvm golang version derived work based on LIBSVM 3.14.
70 neat - Plug-and-play, parallel Go framework for NeuroEvolution of Augmenting Topologies (NEAT).
68 neural-go - Multilayer perceptron network implemented in Go, with training via backpropagation.
63 go-pr - Pattern recognition package in Go lang.
55 Varis - Golang Neural Network.
45 golinear - liblinear bindings for Go.
43 randomforest - Easy to use Random Forest library for Go.
41 go-cluster - Go implementation of the k-modes and k-prototypes clustering algorithms.
37 godist - Various probability distributions, and associated methods.
35 ddt - Dynamic decision tree, create trees defining customizable rules.
31 evoli - Genetic Algorithm and Particle Swarm Optimization library.
20 probab - Probability distribution functions. Bayesian inference. Written in pure Go.

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Messaging

Libraries that implement messaging systems.

11178 sarama - Go library for Apache Kafka.
8948 Asynq - A simple, reliable, and efficient distributed task queue for Go built on top of Redis.
8082 Centrifugo - Real-time messaging (Websockets or SockJS) server in Go.
7962 Benthos - A message streaming bridge between a range of protocols.
7819 gorush - Push notification server using 2949 APNs2 and google 103 GCM.
7377 machinery - Asynchronous task queue/job queue based on distributed message passing.
6897 Watermill - Working efficiently with message streams. Building event driven applications, enabling event sourcing, RPC over messages, sagas. Can use conventional pub/sub implementations like Kafka or RabbitMQ, but also HTTP or MySQL binlog.
5625 go-socket.io - socket.io library for golang, a realtime application framework.
5270 NATS Go Client - Lightweight and high performance publish-subscribe and distributed queueing messaging system - this is the Go library.
4493 Confluent Kafka Golang Client - confluent-kafka-go is Confluent's Golang client for Apache Kafka and the Confluent Platform.
3822 Mercure - Server and library to dispatch server-sent updates using the Mercure protocol (built on top of Server-Sent Events).
3609 melody - Minimalist framework for dealing with websocket sessions, includes broadcasting and automatic ping/pong handling.
2949 APNs2 - HTTP/2 Apple Push Notification provider for Go — Send push notifications to iOS, tvOS, Safari and OSX apps.
2554 go-nsq - the official Go package for NSQ.
2082 gopush-cluster - gopush-cluster is a go push server cluster.
1673 EventBus - The lightweight event bus with async compatibility.
1530 Uniqush-Push - Redis backed unified push service for server-side notifications to mobile devices.
1524 Beaver - A real time messaging server to build a scalable in-app notifications, multiplayer games, chat apps in web and mobile apps.
1376 amqp - Go RabbitMQ Client Library.
1234 Chanify - A push notification server send message to your iOS devices.
1148 zmq4 - Go interface to ZeroMQ version 4. Also available for 133 version 3 and 19 version 2.
956 dbus - Native Go bindings for D-Bus.
938 Gollum - A n:m multiplexer that gathers messages from different sources and broadcasts them to a set of destinations.
656 mangos - Pure go implementation of the Nanomsg ("Scalability Protocols") with transport interoperability.
653 golongpoll - HTTP longpoll server library that makes web pub-sub simple.
495 emitter - Emits events using Go way, with wildcard, predicates, cancellation possibilities and many other good wins.
418 pubsub - Simple pubsub package for go.
413 Glue - Robust Go and Javascript Socket Library (Alternative to Socket.io).
370 Quamina - Fast pattern-matching for filtering messages and events.
332 Bus - Minimalist message bus implementation for internal communication.
267 messagebus - messagebus is a Go simple async message bus, perfect for using as event bus when doing event sourcing, CQRS, DDD.
255 rabtap - RabbitMQ swiss army knife cli app.
158 guble - Messaging server using push notifications (Google Firebase Cloud Messaging, Apple Push Notification services, SMS) as well as websockets, a REST API, featuring distributed operation and message-persistence.
142 hub - A Message/Event Hub for Go applications, using publish/subscribe pattern with support for alias like rabbitMQ exchanges.
126 redisqueue - redisqueue provides a producer and consumer of a queue that uses Redis streams.
111 oplog - Generic oplog/replication system for REST APIs.
105 Ratus - Ratus is a RESTful asynchronous task queue server.
98 rabbus - A tiny wrapper over amqp exchanges and queues.
89 go-mq - RabbitMQ client with declarative configuration.
80 drone-line - Sending Line notifications using a binary, docker or Drone CI.
78 nsq-event-bus - A tiny wrapper around NSQ topic and channel.
69 go-notify - Native implementation of the freedesktop notification spec.
68 RapidMQ - RapidMQ is a lightweight and reliable library for managing of the local messages queue.
64 Commander - A high-level event driven consumer/producer supporting various "dialects" such as Apache Kafka.
62 go-res - Package for building REST/real-time services where clients are synchronized seamlessly, using NATS and Resgate.
56 event - Implementation of the pattern observer.
51 hare - A user friendly library for sending messages and listening to TCP sockets.
28 ami - Go client to reliable queues based on Redis Cluster Streams.
24 gosd - A library for scheduling when to dispatch a message to a channel.
23 go-vitotrol - Client library to Viessmann Vitotrol web service.
22 rmqconn - RabbitMQ Reconnection. Wrapper over amqp.Connection and amqp.Dial. Allowing to do a reconnection when the connection is broken before forcing the call to the Close () method to be closed.
18 jazz - A simple RabbitMQ abstraction layer for queue administration and publishing and consuming of messages.
11 gaurun-client - Gaurun Client written in Go.
2 go-eventbus - Simple Event Bus package for Go.

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Microsoft Office

4250 unioffice - Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents.

Microsoft Excel

Libraries for working with Microsoft Excel.

17557 excelize - Golang library for reading and writing Microsoft Excel™ (XLSX) files.
5802 xlsx - Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs.
191 go-excel - A simple and light reader to read a relate-db-like excel as a table.
172 xlsx - Fast and safe way to read/update your existing Microsoft Excel files in Go programs.
28 exl - Excel binding to struct written in Go.(Only supports Go1.18+)
21 goxlsxwriter - Golang bindings for libxlsxwriter for writing XLSX (Microsoft Excel) files.

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Miscellaneous

Dependency Injection

Libraries for working with dependency injection.

12545 google/wire - Automated Initialization in Go.
5366 fx - A dependency injection based application framework for Go (built on top of dig).
3758 dig - A reflection based dependency injection toolkit for Go.
1671 do - A dependency injection framework based on Generics.
545 GoLobby/Container - GoLobby Container is a lightweight yet powerful IoC dependency injection container for the Go programming language.
351 goioc/di - Spring-inspired Dependency Injection Container.
230 di - A dependency injection container for go programming language.
177 dingo - A dependency injection toolkit for Go, based on Guice.
101 kod - A generics based dependency injection framework for Go.
50 alice - Additive dependency injection container for Golang.
37 wire - Strict Runtime Dependency Injection for Golang.
35 linker - A reflection based dependency injection and inversion of control library with components lifecycle support.
31 boot-go - Component-based development with dependency injection using reflections for Go developers.
30 gontainer - A dependency injection service container for Go projects.
28 nject - A type safe, reflective framework for libraries, tests, http endpoints, and service startup.
19 gocontainer - Simple Dependency Injection Container.
15 gontainer/gontainer - A YAML-based Dependency Injection container for GO. It supports dependencies' scopes, and auto-detection of circular dependencies. Gontainer is concurrent-safe.
10 kinit - Customizable dependency injection container with the global mode, cascade initialization and panic-safe finalization.
7 HnH/di - DI container library that is focused on clean API and flexibility.
5 ore - Lightweight, generic & simple dependency injection (DI) container.
cosban/di - A code generation based dependency injection wiring tool.

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Project Layout

Unofficial set of patterns for structuring projects.

46964 golang-standards/project-layout - Set of common historical and emerging project layout patterns in the Go ecosystem. Note: despite the org-name they do not represent official golang standards, see 46964 this issue for more information. Nonetheless, some may find the layout useful.
3453 ardanlabs/service - A 3453 starter kit for building production grade scalable web service applications.
1789 modern-go-application - Go application boilerplate and example applying modern practices.
1761 nunu - Nunu is a scaffolding tool for building Go applications.
1369 pagoda - Rapid, easy full-stack web development starter kit built in Go.
680 cookiecutter-golang - A Go application boilerplate template for quick starting projects following production best practices.
454 go-starter - An opinionated production-ready RESTful JSON backend template, highly integrated with VSCode DevContainers.
450 golang-templates/seed - Go application GitHub repository template.
309 go-todo-backend - Go Todo Backend example using modular project layout for product microservice.
149 scaffold - Scaffold generates a starter Go project layout. Lets you focus on business logic implemented.
130 go-sample - A sample layout for Go application projects with the real code.
59 gobase - A simple skeleton for golang application with basic setup for real golang application.
29 go-module - Template for a typical module written on Go.
24 wangyoucao577/go-project-layout - Set of practices and discussions on how to structure Go project layout.
19 insidieux/inizio - Golang project layout generator with plugins.

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Strings

Libraries for working with strings.

1378 xstrings - Collection of useful string functions ported from other languages.
886 sttr - cross-platform, cli app to perform various operations on string.
223 gobeam/Stringy - String manipulation library to convert string to camel case, snake case, kebab case / slugify etc.
202 strutil - String utilities.
53 caps - A case conversion library.
18 bexp - Go implementation of Brace Expansion mechanism to generate arbitrary strings.
go-formatter - Implements replacement fields surrounded by curly braces {} format strings.

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Uncategorized

These libraries were placed here because none of the other categories seemed to fit.

10220 gopsutil - Cross-platform library for retrieving process and system utilization(CPU, Memory, Disks, etc).
5668 gatus - Automated service health dashboard.
4320 gofakeit - Random data generator written in go.
4270 archiver - Library and command for making and extracting .zip and .tar.gz archives.
2095 go-resiliency - Resiliency patterns for golang.
2047 base64Captcha - Base64captch supports digit, number, alphabet, arithmetic, audio and digit-alphabet captcha.
1446 gosms - Your own local SMS gateway in Go that can be used to send SMS.
1206 go-commons-pool - Generic object pool for Golang.
1165 llvm - Library for interacting with LLVM IR in pure Go.
926 shortid - Distributed generation of super short, unique, non-sequential, URL friendly IDs.
897 shoutrrr - Notification library providing easy access to various messaging services like slack, mattermost, gotify and smtp among others.
890 stateless - A fluent library for creating state machines.
759 health - A simple and flexible health check library for Go.
471 xz - Pure golang package for reading and writing xz-compressed files.
447 health - Easy to use, extensible health check library.
445 banner - Add beautiful banners into your Go applications.
407 gountries - Package that exposes country and subdivision data.
386 conv - Package conv provides fast and intuitive conversions across Go types.
360 lk - A simple licensing library for golang.
305 ffmt - Beautify data display for Humans.
274 go-unarr - Decompression library for RAR, TAR, ZIP and 7z archives.
265 healthcheck - An opinionated and concurrent health-check HTTP handler for RESTful services.
258 antch - A fast, powerful and extensible web crawling & scraping framework.
242 battery - Cross-platform, normalized battery information library.
237 bitio - Highly optimized bit-level Reader and Writer for Go.
206 gtree - Provide CLI, Package and Web for tree output and directories creation from Markdown or programmatically.
170 stats - Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc...
158 turtle - Emojis for Go.
147 captcha - Package captcha provides an easy to use, unopinionated API for captcha generation.
111 gommit - Analyze git commit messages to ensure they follow defined patterns.
109 gotoprom - Type-safe metrics builder wrapper library for the official Prometheus client.
109 indigo - Distributed unique ID generator of using Sonyflake and encoded by Base58.
90 faker - Random fake data and struct generator for Go.
82 persian - Some utilities for Persian language in go.
81 morse - Library to convert to and from morse code.
70 pdfgen - HTTP service to generate PDF from Json requests.
56 xkg - X Keyboard Grabber.
48 datacounter - Go counters for readers/writer/http.ResponseWriter.
48 browscap_go - GoLang Library for Browser Capabilities Project.
47 url-shortener - A modern, powerful, and robust URL shortener microservice with mysql support.
45 sandid - Every grain of sand on earth has its own ID.
41 xdg - FreeDesktop.org (xdg) Specs implemented in Go.
39 autoflags - Go package to automatically define command line flags from struct fields.
35 gosh - Provide Go Statistics Handler, Struct, Measure Method.
27 metrics - Library for metrics instrumentation and Prometheus exposition.
25 numa - NUMA is a utility library, which is written in go. It help us to write some NUMA-AWARED code.
24 shellwords - A Golang library to manipulate strings according to the word parsing rules of the UNIX Bourne shell.
16 avgRating - Calculate average score and rating based on Wilson Score Equation.
15 anagent - Minimalistic, pluggable Golang evloop/timer handler with dependency-injection.
13 varint - A faster varying length integer encoder/decoder than the one provided in the standard library.
12 hostutils - A golang library for packing and unpacking FQDNs list.
12 go-commandbus - A slight and pluggable command-bus for Go.
10 faker - Fake data generator.
10 openapi - OpenAPI 3.x parser.
5 sitemap-format - A simple sitemap generator, with a little syntactic sugar.
5 basexx - Convert to, from, and between digit strings in various number bases.
5 VarHandler - Generate boilerplate http input and output handling.
4 common - A library for server framework.
go-openapi - Collection of packages to parse and utilize open-api schemas.

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Natural Language Processing

Libraries for working with human languages.

See also Text Processing and Text Analysis.

Language Detection

632 whatlanggo - Natural language detection package for Go. Supports 84 languages and 24 scripts (writing systems e.g. Latin, Cyrillic, etc).
168 getlang - Fast natural language detection package.
58 guesslanguage - Functions to determine the natural language of a unicode text.
24 detectlanguage - Language Detection API Go Client. Supports batch requests, short phrase or single word language detection.

Morphological Analyzers

1722 spaGO - Self-contained Machine Learning and Natural Language Processing library in Go.
796 kagome - JP morphological analyzer written in pure Go.
435 nlp - Go Natural Language Processing library supporting LSA (Latent Semantic Analysis).
388 nlp - Extract values from strings and fill your structs with nlp.
113 RAKE.go - Go port of the Rapid Automatic Keyword Extraction Algorithm (RAKE).
78 go-stem - Implementation of the porter stemming algorithm.
53 go2vec - Reader and utility functions for word2vec embeddings.
46 porter2 - Really fast Porter 2 stemmer.
38 govader - Go implementation of 4305 VADER Sentiment Analysis.
37 snowball - Snowball stemmer port (cgo wrapper) for Go. Provides word stem extraction functionality Snowball native.
29 paicehusk - Golang implementation of the Paice/Husk Stemming Algorithm.
20 golibstemmer - Go bindings for the snowball libstemmer library including porter 2.
13 libtextcat - Cgo binding for libtextcat C library. Guaranteed compatibility with version 2.2.
12 porter - This is a fairly straightforward port of Martin Porter's C implementation of the Porter stemming algorithm.
10 gosentiwordnet - Sentiment analyzer using sentiwordnet lexicon in Go.
6 govader-backend - Microservice implementation of 38 GoVader.
2 spelling-corrector - A spelling corrector for the Spanish language or create your own.

Slugifiers

1109 slug - URL-friendly slugify with multiple languages support.
91 go-slugify - Make pretty slug with multiple languages support.
33 Slugify - Go slugify application that handles string.

Tokenizers

3041 prose - Library for text processing that supports tokenization, part-of-speech tagging, named-entity extraction, and more. English only.
2494 gse - Go efficient text segmentation; support english, chinese, japanese and other.
2351 gojieba - This is a Go implementation of 32707 jieba which a Chinese word splitting algorithm.
428 sentences - Sentence tokenizer: converts text into a list of sentences.
87 segment - Go library for performing Unicode Text Segmentation as described in Unicode Standard Annex #29
72 textcat - Go package for n-gram based text categorization, with support for utf-8 and raw text.
63 MMSEGO - This is a GO implementation of MMSEG which a Chinese word splitting algorithm.
52 stemmer - Stemmer packages for Go programming language. Includes English and German stemmers.
19 gotokenizer - A tokenizer based on the dictionary and Bigram language models for Golang. (Now only support chinese segmentation)
13 shamoji - The shamoji is word filtering package written in Go.

Translation

2849 go-i18n - Package and an accompanying tool to work with localized text.
1580 go-pinyin - CN Hanzi to Hanyu Pinyin converter.
430 gotext - GNU gettext utilities for Go.
48 spreak - Flexible translation and humanization library for Go, based on the concepts behind gettext.
47 iuliia-go - Transliterate Cyrillic → Latin in every possible way.
32 go-mystem - CGo bindings to Yandex.Mystem - russian morphology analyzer.
22 ctxi18n - Context aware i18n with a short and consise API, pluralization, interpolation, and fs.FS support. YAML locale definitions are based on Rails i18n.
18 t - Another i18n pkg for golang, which follows GNU gettext style and supports .po/.mo files: t.T (gettext), t.N (ngettext), etc. And it contains a cmd tool 18 xtemplate, which can extract messages as a pot file from text/html template.
6 go-words - A words table and text resource library for Golang projects.

Transliteration

126 go-unidecode - ASCII transliterations of Unicode text.
78 gounidecode - Unicode transliterator (also known as unidecode) for Go.
41 transliterator - Provides one-way string transliteration with supporting of language-specific transliteration rules.
16 enca - Minimal cgo bindings for libenca, which detects character encodings.

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Networking

Libraries for working with various layers of the network.

21268 fasthttp - Package fasthttp is a fast HTTP implementation for Go, up to 10 times faster than net/http.
13774 kcptun - Extremely simple & fast udp tunnel based on KCP protocol.
13011 webrtc - A pure Go implementation of the WebRTC API.
9702 quic-go - An implementation of the QUIC protocol in pure Go.
9259 gnet - gnet is a high-performance, lightweight, non-blocking, event-driven networking framework written in pure Go.
7847 dns - Go library for working with DNS.
6198 gopacket - Go library for packet processing with libpcap bindings.
4000 kcp-go - KCP - Fast and Reliable ARQ Protocol.
4000 HTTPLab - HTTPLabs let you inspect HTTP requests and forge responses.
3962 netpoll - A high-performance non-blocking I/O networking framework, which focused on RPC scenarios, developed by ByteDance.
3537 ssh - Higher-level API for building SSH servers (wraps crypto/ssh).
3522 gobgp - BGP implemented in the Go Programming Language.
3220 fortio - Load testing library and command line tool, advanced echo server and web UI. Allows to specify a set query-per-second load and record latency histograms and other useful stats and graph them. Tcp, Http, gRPC.
2047 nbio - Pure Go 1000k+ connections solution, support tls/http1.x/websocket and basically compatible with net/http, with high-performance and low memory cost, non-blocking, event-driven, easy-to-use.
1887 water - Simple TUN/TAP library.
1718 gev - gev is a lightweight, fast non-blocking TCP network library based on Reactor mode.
1612 go-getter - Go library for downloading files or directories from various sources using a URL.
1478 sftp - Package sftp implements the SSH File Transfer Protocol as described in https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt.
1377 grab - Go package for managing file downloads.
1370 NFF-Go - Framework for rapid development of performant network functions for cloud and bare-metal (former YANFF).
1257 ftp - Package ftp implements a FTP client as described in RFC 959.
1146 mdns - Simple mDNS (Multicast DNS) client/server library in Golang.
1091 gosnmp - Native Go library for performing SNMP actions.
1028 gws - High-Performance WebSocket Server & Client With AsyncIO Supporting .
974 gmqtt - Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.1.1.
944 vssh - Go library for building network and server automation over SSH protocol.
894 cidranger - Fast IP to CIDR lookup for Go.
797 easytcp - A light-weight TCP framework written in Go (Golang), built with message router. EasyTCP helps you build a TCP server easily fast and less painful.
692 lhttp - Powerful websocket framework, build your IM server more easily.
655 go-stun - Go implementation of the STUN client (RFC 3489 and RFC 5389).
630 peerdiscovery - Pure Go library for cross-platform local peer discovery using UDP multicast.
569 gaio - High performance async-io networking for Golang in proactor mode.
510 gotcp - Go package for quickly writing tcp applications.
491 stun - Go implementation of RFC 5389 STUN protocol.
486 gopcap - Go wrapper for libpcap.
425 tcp_server - Go library for building tcp servers faster.
423 raw - Package raw enables reading and writing data at the device driver level for a network interface.
418 winrm - Go WinRM client to remotely execute commands on Windows machines.
401 ftpserverlib - Fully featured FTP server library.
357 arp - Package arp implements the ARP protocol, as described in RFC 826.
308 dnsmonster - Passive DNS Capture/Monitoring Framework.
271 ethernet - Package ethernet implements marshaling and unmarshalling of IEEE 802.3 Ethernet II frames and IEEE 802.1Q VLAN tags.
253 buffstreams - Streaming protocolbuffer data over TCP made easy.
252 gNxI - A collection of tools for Network Management that use the gNMI and gNOI protocols.
212 jazigo - Jazigo is a tool written in Go for retrieving configuration for multiple network devices.
174 tcpack - tcpack is an application protocol based on TCP to Pack and Unpack bytes stream in go program.
173 utp - Go uTP micro transport protocol implementation.
154 canopus - CoAP Client/Server implementation (RFC 7252).
154 event - Simple I/O event notification library written in Golang.
149 xtcp - TCP Server Framework with simultaneous full duplex communication, graceful shutdown, and custom protocol.
148 sslb - It's a Super Simples Load Balancer, just a little project to achieve some kind of performance.
133 iplib - Library for working with IP addresses (net.IP, net.IPNet), inspired by python ipaddress and ruby ipaddr
105 gldap - gldap provides an ldap server implementation and you provide handlers for its ldap operations.
82 natiu-mqtt - A dead-simple, non-allocating, low level implementation of MQTT well suited for embedded systems.
81 go-powerdns - PowerDNS API bindings for Golang.
80 ether - Cross-platform Go package for sending and receiving ethernet frames.
78 packet - Send packets over TCP and UDP. It can buffer messages and hot-swap connections if needed.
77 dhcp6 - Package dhcp6 implements a DHCPv6 server, as described in RFC 3315.
76 fullproxy - A fully featured scriptable and daemon configurable proxy and pivoting toolkit with SOCKS5, HTTP, raw ports and reverse proxy protocols.
56 portproxy - Simple TCP proxy which adds CORS support to API's which don't support it.
53 linkio - Network link speed simulation for Reader/Writer interfaces.
45 fwdctl - A simple and intuitive CLI to manage IPTables forwards in your Linux server.
29 golibwireshark - Package golibwireshark use libwireshark library to decode pcap file and analyse dissection data.
28 publicip - Package publicip returns your public facing IPv4 address (internet egress).
28 graval - Experimental FTP server framework.
24 httpproxy - HTTP proxy handler and dialer.
18 goshark - Package goshark use tshark to decode IP packet and create data struct to analyse packet.
15 llb - It's a very simple but quick backend for proxy servers. Can be useful for fast redirection to predefined domain with zero memory allocation and fast response.
15 gnet - gnet is a high-performance networking framework,especially for game servers.
14 tspool - A TCP Library use worker pool to improve performance and protect your server.
8 go-sse - Go client and server implementation of HTML server-sent events.
mqttPaho - The Paho Go Client provides an MQTT client library for connection to MQTT brokers via TCP, TLS or WebSockets.

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HTTP Clients

Libraries for making HTTP requests.

9581 resty - Simple HTTP and REST client for Go inspired by Ruby rest-client.
4109 req - Simple Go HTTP client with Black Magic (Less code and More efficiency).
2575 heimdall - An enhanced http client with retry and hystrix capabilities.
2110 grequests - A Go "clone" of the great and famous Requests library.
1898 go-retryablehttp - Retryable HTTP client in Go.
1656 sling - Sling is a Go HTTP client library for creating and sending API requests.
1421 requests - HTTP requests for Gophers. Uses context.Context and doesn't hide the underlying net/http.Client, making it compatible with standard Go APIs. Also includes testing tools.
1071 gentleman - Full-featured plugin-driven HTTP client library.
643 pester - Go HTTP client calls with retries, backoff, and concurrency.
361 go-cleanhttp - Get easily stdlib HTTP client, which does not share any state with other clients.
289 request - HTTP client for golang. If you have experience about axios or requests, you will love it. No 3rd dependency.
76 go-otelroundtripper - Go http.RoundTripper that emits open telemetry metrics for HTTP requests.
75 go-http-client - Make http calls simply and easily.
72 go-zoox/fetch - A Powerful, Lightweight, Easy Http Client, inspired by Web Fetch API.
51 rq - A nicer interface for golang stdlib HTTP client.
43 httpretry - Enriches the default go HTTP client with retry functionality.
36 fast-shot - Hit your API targets with rapid-fire precision using Go's fastest and simple HTTP Client.
22 go-req - Declarative golang HTTP client.

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OpenGL

Libraries for using OpenGL in Go.

1530 glfw - Go bindings for GLFW 3.
1050 gl - Go bindings for OpenGL (generated via glow).
535 mathgl - Pure Go math package specialized for 3D math, with inspiration from GLM.
175 goxjs/gl - Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android).
81 goxjs/glfw - Go cross-platform glfw library for creating an OpenGL context and receiving events.
9 go-glmatrix - Go port of glMatrix library.

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ORM

Libraries that implement Object-Relational Mapping or datamapping techniques.

35966 GORM - The fantastic ORM library for Golang, aims to be developer friendly.
15117 ent - An entity framework for Go. Simple, yet powerful ORM for modeling and querying data.
6539 SQLBoiler - ORM generator. Generate a featureful and blazing-fast ORM tailored to your database schema.
3723 gorp - Go Relational Persistence, ORM-ish library for Go.
3494 upper.io/db - Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers.
3433 bun - SQL-first Golang ORM. Successor of go-pg.
2327 gormt - Mysql database to golang gorm struct.
2012 Prisma - Prisma Client Go, Typesafe database access for Go.
1442 reform - Better ORM for Go, based on non-empty interfaces and code generation.
1413 pop/soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
1237 go-sqlbuilder - A flexible and powerful SQL string builder library plus a zero-config ORM.
743 rel - Modern Database Access Layer for Golang - Testable, Extendable and Crafted Into a Clean and Elegant API.
684 bob - SQL query builder and ORM/Factory generator for Go. Successor of SQLBoiler.
306 Zoom - Blazing-fast datastore and querying engine built on Redis.
178 go-sql - A easy ORM for mysql.
162 grimoire - Grimoire is a database access layer and validation for golang. (Support: MySQL, PostgreSQL and SQLite3).
156 golobby/orm - Simple, fast, type-safe, generic orm for developer happiness.
112 go-store - Simple and fast Redis backed key-value store library for Go.
50 go-firestorm - A simple ORM for Google/Firebase Cloud Firestore.
24 cacheme - Schema based, typed Redis caching/memoize framework for Go.
16 CQL - Built on top of GORM, adds compile-time verified queries based on auto-generated code.
14 marlow - Generated ORM from project structs for compile time safety assurances.
14 lore - Simple and lightweight pseudo-ORM/pseudo-struct-mapping environment for Go.
13 go-dbw - A simple package that encapsulates database operations.
XORM - Simple and powerful ORM for Go. (Support: MySQL, MyMysql, PostgreSQL, Tidb, SQLite3, MsSql and Oracle).

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Package Management

Official tooling for dependency and package management

go modules - Modules are the unit of source code interchange and versioning. The go command has direct support for working with modules, including recording and resolving dependencies on other modules.

Official experimental tooling for package management

12875 dep - Go dependency tool.
vgo - Versioned Go.

Unofficial libraries for package and dependency management.

8157 glide - Manage your golang vendor and vendored packages with ease. Inspired by tools like Maven, Bundler, and Pip.
5551 godep - dependency tool for go, godep helps build packages reproducibly by fixing their dependencies.
4936 govendor - Go Package Manager. Go vendor tool that works with the standard vendor file.
2471 gopm - Go Package Manager.
1384 gom - Go Manager - bundle for go.
1191 gpm - Barebones dependency manager for Go.
780 goop - Simple dependency manager for Go (golang), inspired by Bundler.
481 modgv - Converts 'go mod graph' output into Graphviz's DOT language.
294 gup - Update binaries installed by "go install".
232 nut - Vendor Go dependencies.
214 johnny-deps - Minimal dependency version using Git.
161 mvn-golang - plugin that provides way for auto-loading of Golang SDK, dependency management and start build environment in Maven project infrastructure.
124 VenGO - create and manage exportable isolated go virtual environments.
49 gop - Build and manage your Go applications out of GOPATH.

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Performance

19786 jaeger - A distributed tracing system.
5363 pixie - No instrumentation tracing for Golang applications via eBPF.
3157 statsviz - Live visualization of your Go application runtime statistics.
1981 profile - Simple profiling support package for Go.
153 go-instrument - Automatically add spans to all methods and functions.
85 tracer - Simple, lightweight tracing.

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Query Language

9798 graphql-go - Implementation of GraphQL for Go.
9740 gqlgen - go generate based graphql server library.
4956 dasel - Query and update data structures using selectors from the command line. Comparable to jq/yq but supports JSON, YAML, TOML and XML with zero runtime dependencies.
4616 graphql - GraphQL server with a focus on ease of use.
2166 gojsonq - A simple Go package to Query over JSON Data.
331 rql - Resource Query Language for REST API.
274 jsonql - JSON query expression library in Golang.
84 jsonslice - Jsonpath queries with advanced filters.
72 rqp - Query Parser for REST API. Filtering, validations, both AND, OR operations are supported directly in the query.
57 graphql - graphql parser + utilities.
57 goven - A drop-in query language for any database schema.
55 api-fu - Comprehensive GraphQL implementation.
40 mql - Model Query Language (mql) is a query language for your database models.
36 straf - Easily Convert Golang structs to GraphQL objects.
25 jsonpath - A query library for retrieving part of JSON based on JSONPath syntax.
7 gws - Apollos' "GraphQL over Websocket" client and server implementation.
3 grapher - A GraphQL field builder utilizing Go generics with extra utilities and features.

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Resource Embedding

3739 statik - Embeds static files into a Go executable.
3412 packr - The simple and easy way to embed static files into Go binaries.
2408 go.rice - go.rice is a Go package that makes working with resources such as HTML, JS, CSS, images, and templates very easy.
983 vfsgen - Generates a vfsdata.go file that statically implements the given virtual filesystem.
639 esc - Embeds files into Go programs and provides http.FileSystem interfaces to them.
633 fileb0x - Simple tool to embed files in go with focus on "customization" and ease to use.
176 go-resources - Unfancy resources embedding with Go.
68 statics - Embeds static resources into go files for single binary compilation + works with http.FileSystem + symlinks.
31 debme - Create an embed.FS from an existing embed.FS subdirectory.
30 templify - Embed external template files into Go code to create single file binaries.
29 rebed - Recreate folder structures and files from Go 1.16's embed.FS type
15 mule - Embed external resources like images, movies ... into Go source code to create single file binaries using go generate. Focused on simplicity.

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Science and Data Analysis

Libraries for scientific computing and data analyzing.

7365 gonum - Gonum is a set of numeric libraries for the Go programming language. It contains libraries for matrices, statistics, optimization, and more.
2898 stats - Statistics package with common functions missing from the Golang standard library.
2663 gonum/plot - gonum/plot provides an API for building and drawing plots in Go.
1818 gosl - Go scientific library for linear algebra, FFT, geometry, NURBS, numerical methods, probabilities, optimisation, differential equations, and more.
1311 streamtools - general purpose, graphical tool for dealing with streams of data.
1141 dataframe-go - Dataframes for machine-learning and statistics (similar to pandas).
855 orb - 2D geometry types with clipping, GeoJSON and Mapbox Vector Tile support.
848 go-dsp - Digital Signal Processing for Go.
770 chart - Simple Chart Plotting library for Go. Supports many graphs types.
733 goraph - Pure Go graph theory library(data structure, algorithm visualization).
692 graph - Library of basic graph algorithms.
432 ewma - Exponentially-weighted moving averages.
394 calendarheatmap - Calendar heatmap in plain Go inspired by Github contribution activity.
200 TextRank - TextRank implementation in Golang with extendable features (summarization, weighting, phrase extraction) and multithreading (goroutine) support.
174 gohistogram - Approximate histograms for data streams.
155 sparse - Go Sparse matrix formats for linear algebra supporting scientific and machine learning applications, compatible with gonum matrix libraries.
110 go-estimate - State estimation and filtering algorithms in Go.
81 pagerank - Weighted PageRank algorithm implemented in Go.
72 jsonl-graph - Tool to manipulate JSONL graphs with graphviz support.
55 geom - 2D geometry for golang.
52 evaler - Simple floating point arithmetic expression evaluator.
52 gograph - A golang generic graph library that provides mathematical graph-theory and algorithms.
39 decimal - Package decimal implements arbitrary-precision decimal floating-point arithmetic.
36 triangolatte - 2D triangulation library. Allows translating lines and polygons (both based on points) to the language of GPUs.
34 goent - GO Implementation of Entropy Measures.
26 piecewiselinear - Tiny linear interpolation library.
23 godesim - Extended/multivariable ODE solver framework for event-based simulations with simple API.
22 ode - Ordinary differential equation (ODE) solver which supports extended states and channel-based iteration stop conditions.
20 PiHex - Implementation of the "Bailey-Borwein-Plouffe" algorithm for the hexadecimal number Pi.
20 GoStats - GoStats is an Open Source GoLang library for math statistics mostly used in Machine Learning domains, it covers most of the Statistical measures functions.
14 assocentity - Package assocentity returns the average distance from words to a given entity.
11 rootfinding - root-finding algorithms library for finding roots of quadratic functions.
10 go-gt - Graph theory algorithms written in "Go" language.
9 bradleyterry - Provides a Bradley-Terry Model for pairwise comparisons.

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Security

Libraries that are used to help make your application more secure.

15674 age - A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.
7416 lego - Pure Go ACME client library and CLI tool (for use with Let's Encrypt).
4877 CertMagic - Mature, robust, and powerful ACME client integration for fully-managed TLS certificate issuance and renewal.
3938 Cameradar - Tool and library to remotely hack RTSP streams from surveillance cameras.
2499 memguard - A pure Go library for handling sensitive values in memory.
2237 secure - HTTP middleware for Go that facilitates some quick security wins.
2034 acmetool - ACME (Let's Encrypt) client tool with automatic renewal.
1943 Coraza - Enterprise-ready, modsecurity and OWASP CRS compatible WAF library.
1820 themis - high-level cryptographic library for solving typical data security tasks (secure data storage, secure messaging, zero-knowledge proof authentication), available for 14 languages, best fit for multi-platform apps.
1310 acra - Network encryption proxy to protect database-based applications from data leaks: strong selective encryption, SQL injections prevention, intrusion detection system.
865 dongle - A simple, semantic and developer-friendly golang package for encoding&decoding and encryption&decryption.
599 beelzebub - A secure low code honeypot framework, leveraging AI for System Virtualization.
544 nacl - Go implementation of the NaCL set of API's.
485 go-password-validator - Password validator based on raw cryptographic entropy values.
477 booster - Fast initramfs generator with full-disk encryption support.
434 ssh-vault - encrypt/decrypt using ssh keys.
360 optimus-go - ID hashing and Obfuscation using Knuth's Algorithm.
349 go-yara - Go Bindings for 136 YARA, the "pattern matching swiss knife for malware researchers (and everyone else)".
338 firewalld-rest - A rest application to dynamically update firewalld rules on a linux server.
323 BadActor - In-memory, application-driven jailer built in the spirit of fail2ban.
314 teler-waf - teler-waf is a Go HTTP middleware that provide teler IDS functionality to protect against web-based attacks and improve the security of Go-based web applications. It is highly configurable and easy to integrate into existing Go applications.
290 passlib - Futureproof password hashing library.
205 go-peer - A software library for creating secure and anonymous decentralized systems.
195 simple-scrypt - Scrypt package with a simple, obvious API and automatic cost calibration built-in.
89 argon2pw - Argon2 password hash generation with constant-time password comparison.
59 goSecretBoxPassword - A probably paranoid package for securely hashing and encrypting passwords.
52 go-generate-password - Password generator that can be used on the cli or as a library.
38 certificates - An opinionated tool for generating tls certificates.
36 passwap - Provides a unified implementation between different password hashing algorithms
35 go-htpasswd - Apache htpasswd Parser for Go.
32 secureio - An keyexchanging+authenticating+encrypting wrapper and multiplexer for io.ReadWriteCloser based on XChaCha20-poly1305, ECDH and ED25519.
27 secret - Prevent your secrets from leaking into logs, std* etc.
26 sslmgr - SSL certificates made easy with a high level wrapper around acme/autocert.
20 argon2-hashing - light wrapper around Go's argon2 package that closely mirrors with Go's standard library Bcrypt and simple-scrypt package.
17 goArgonPass - Argon2 password hash and verification designed to be compatible with existing Python and PHP implementations.
4 multikey - An n-out-of-N keys encryption/decryption framework based on Shamir's Secret Sharing algorithm.
4 Interpol - Rule-based data generator for fuzzing and penetration testing.
2 encid - Encode and decode encrypted integer IDs.
autocert - Auto provision Let's Encrypt certificates and start a TLS server.
acopw-go - Small cryptographically secure password generator package for Go.

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Serialization

Libraries and tools for binary serialization.

13176 jsoniter - High-performance 100% compatible drop-in replacement of "encoding/json".
9634 goprotobuf - Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
7799 mapstructure - Go library for decoding generic map values into native Go structures.
5646 gogoprotobuf - Protocol Buffers for Go with Gadgets.
1826 go-codec - High Performance, feature-Rich, idiomatic encode, decode and rpc library for msgpack, cbor and json, with runtime-based OR code-generation support.
903 csvutil - High Performance, idiomatic CSV record encoding and decoding to native Go structures.
733 colfer - Code generation for the Colfer binary format.
680 cbor - Small, safe, and easy CBOR encoding and decoding library.
288 go-capnproto - Cap'n Proto library and parser for go.
161 php_session_decoder - GoLang library for working with PHP session format and PHP Serialize/Unserialize functions.
144 structomap - Library to easily and dynamically generate maps from static structures.
92 binstruct - Golang binary decoder for mapping data into the structure.
65 bambam - generator for Cap'n Proto schemas from go.
54 asn1 - Asn.1 BER and DER encoding library for golang.
37 bel - Generate TypeScript interfaces from Go structs/interfaces. Useful for JSON RPC.
26 fwencoder - Fixed width file parser (encoding and decoding library) for Go.
24 elastic - Convert slices, maps or any other unknown value across different types at run-time, no matter what.
19 pletter - A standard way to wrap a proto message for message brokers.
17 gotiny - Efficient Go serialization library, gotiny is almost as fast as serialization libraries that generate code.
9 fixedwidth - Fixed-width text formatting (UTF-8 supported).
6 unitpacking - Library to pack unit vectors into as fewest bytes as possible.
4 go-lctree - Provides a CLI and primitives to serialize and deserialize LeetCode binary trees.

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Server Applications

55344 Caddy - Caddy is an alternative, HTTP/2 web server that's easy to configure and use.
46731 etcd - Highly-available key value store for shared configuration and service discovery.
45221 minio - Minio is a distributed object storage server.
35663 pocketbase - PocketBase is a realtime backend in 1 file consisting of embedded database (SQLite) with realtime subscriptions, built-in auth management and much more.
8464 SFTPGo - Fully featured and highly configurable SFTP server with optional FTP/S and WebDAV support. It can serve local filesystem and Cloud Storage backends such as S3 and Google Cloud Storage.
7765 RoadRunner - High-performance PHP application server, load-balancer and process manager.
5727 Easegress - A cloud native high availability/performance traffic orchestration system with observability and extensibility.
3399 devd - Local webserver for developers.
3397 flipt - A self contained feature flag solution written in Go and Vue.js
3210 Wish - Make SSH apps, just like that!
2730 Fider - Fider is an open platform to collect and organize customer feedback.
2689 algernon - HTTP/2 web server with built-in support for Lua, Markdown, GCSS and Amber.
2378 Flagr - Flagr is an open-source feature flagging and A/B testing service.
1963 Trickster - HTTP reverse proxy cache and time series accelerator.
1771 discovery - A registry for resilient mid-tier load balancing and failover.
1439 jackal - An XMPP server written in Go.
1169 go-feature-flag - A simple, complete and lightweight self-hosted feature flag solution 100% Open Source.
519 Euterpe - Self-hosted music streaming server with built-in web UI and REST API.
178 dummy - Run mock server based off an API contract with one command.
144 dudeldu - A simple SHOUTcast server.
120 go-proxy-cache - Simple Reverse Proxy with Caching, written in Go, using Redis.
102 cortex-tenant - Prometheus remote write proxy that adds add Cortex tenant ID header based on metric labels.
93 lets-proxy2 - Reverse proxy for handle https with issue certificates in fly from lets-encrypt.
58 psql-streamer - Stream database events from PostgreSQL to Kafka.
41 nginx-prometheus - Nginx log parser and exporter to Prometheus.
39 simple-jwt-provider - Simple and lightweight provider which exhibits JWTs, supports login, password-reset (via mail) and user management.
35 protoxy - A proxy server that converts JSON request bodies to Protocol Buffers.
12 Moxy - Moxy is a simple mocker and proxy application server, you can create mock endpoints as well as proxy requests in case no mock exists for the endpoint.
2 riemann-relay - Relay to load-balance Riemann events and/or convert them to Carbon.
nsq - A realtime distributed messaging platform.
consul - Consul is a tool for service discovery, monitoring and configuration.

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Stream Processing

Libraries and tools for stream processing and reactive programming.

1790 go-streams - Go stream processing library.
147 machine - Go library for writing and generating stream workers with built in metrics and traceability.
87 stream - Go Stream, like Java 8 Stream: Filter/Map/FlatMap/Peek/Sorted/ForEach/Reduce...
81 goio - An implementation of IO, Stream, Fiber for Golang, inspired by awesome Scala libraries cats and fs2.

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Template Engines

Libraries and tools for templating and lexing.

7040 templ - A HTML templating language that has great developer tooling.
4042 sprig - Useful template functions for Go templates.
3033 quicktemplate - Fast, powerful, yet easy to use template engine. Converts templates into Go code and then compiles it.
2801 pongo2 - Django-like template-engine for Go.
1497 maroto - A maroto way to create PDFs. Maroto is inspired in Bootstrap and uses gofpdf. Fast and simple.
1195 jet - Jet template engine.
847 Razor - Razor view engine for Golang.
814 fasttemplate - Simple and fast template engine. Substitutes template placeholders up to 10x faster than text/template.
587 raymond - Complete handlebars implementation in Go.
578 ego - Lightweight templating language that lets you write templates in Go. Templates are translated into Go and compiled.
409 goview - Goview is a lightweight, minimalist and idiomatic template library based on golang html/template for building Go web application.
277 liquid - Go implementation of Shopify Liquid templates.
171 Soy - Closure templates (aka Soy templates) for Go, following the official spec.
57 extemplate - Tiny wrapper around html/template to allow for easy file-based template inheritance.
55 gospin - Article spinning and spintax/spinning syntax engine, useful for A/B, testing pieces of text/articles and creating more natural conversations.
28 got - A Go code generator inspired by Hero and Fasttemplate. Has include files, custom tag definitions, injected Go code, language translation, and more.
25 tbd - A really simple way to create text templates with placeholders - exposes extra builtin Git repo metadata.
gomponents - HTML 5 components in pure Go, that look something like this: func(name string) g.Node { return Div(Class("headline"), g.Textf("Hi %v!", name)) }.

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Testing

Libraries for testing codebases and generating test data.

Testing Frameworks

22432 Testify - Sacred extension to the standard go testing package.
8146 GoConvey - BDD-style framework with web UI and live reload.
4065 go-cmp - Package for comparing Go values in tests.
3271 testcontainers-go - A Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.
2495 httpexpect - Concise, declarative, and easy to use end-to-end HTTP and REST API testing.
2224 godog - Cucumber BDD framework for Go.
1738 is - Professional lightweight testing mini-framework for Go.
1327 gnomock - integration testing with real dependencies (database, cache, even Kubernetes or AWS) running in Docker, without mocks.
1112 go-vcr - Record and replay your HTTP interactions for fast, deterministic and accurate tests.
1067 testfixtures - A helper for Rails' like test fixtures to test database applications.
884 goblin - Mocha like testing framework of Go.
784 goc - Goc is a comprehensive coverage testing system for The Go Programming Language.
773 baloo - Expressive and versatile end-to-end HTTP API testing made easy.
771 embedded-postgres - Run a real Postgres database locally on Linux, OSX or Windows as part of another Go application or test.
624 go-mutesting - Mutation testing for Go source code.
498 gotest.tools - A collection of packages to augment the go testing package and support common patterns.
440 gofight - API Handler Testing for Golang Router framework.
423 go-testdeep - Extremely flexible golang deep comparison, extends the go testing package.
415 testza - Full-featured test framework with nice colorized output.
293 cupaloy - Simple snapshot testing addon for your test framework.
277 frisby - REST API testing framework.
264 got - An enjoyable golang test framework.
262 endly - Declarative end to end functional testing.
252 go-hit - Hit is an http integration test framework written in golang.
243 go-carpet - Tool for viewing test coverage in terminal.
224 commander - Tool for testing cli applications on windows, linux and osx.
201 charlatan - Tool to generate fake interface implementations for tests.
160 dbcleaner - Clean database for testing purpose, inspired by database_cleaner in Ruby.
144 go-snaps - Jest-like snapshot testing in Golang.
121 jsonassert - Package for verifying that your JSON payloads are serialized correctly.
116 testcase - Idiomatic testing framework for Behavior Driven Development.
102 gocrest - Composable hamcrest-like matchers for Go assertions.
102 wstest - Websocket client for unit-testing a websocket http.Handler.
100 be - The minimalist generic test assertion library.
75 Gont - Go network testing toolkit for testing building complex network topologies using Linux namespaces.
70 gherkingen - BDD boilerplate generator and framework.
62 assert - Basic Assertion Library used along side native go testing, with building blocks for custom assertions.
61 testcerts - Dynamically generate self-signed certificates and certificate authorities within your test functions.
55 restit - Go micro framework to help writing RESTful API integration test.
52 gospecify - This provides a BDD syntax for testing your Go code. It should be familiar to anybody who has used libraries such as rspec.
46 gomatch - library created for testing JSON against patterns.
43 dsunit - Datastore testing for SQL, NoSQL, structured files.
40 fluentassert - Extensible, type-safe, fluent assertion Go library.
30 Hamcrest - fluent framework for declarative Matcher objects that, when applied to input values, produce self-describing results.
28 fixenv - Fixture manage engine, inspired by pytest fixtures.
21 schema - Quick and easy expression matching for JSON schemas used in requests and responses.
18 flute - HTTP client testing framework.
17 testsql - Generate test data from SQL files before testing and clear it after finished.
14 gogiven - YATSPEC-like BDD testing framework for Go.
14 biff - Bifurcation testing framework, BDD compatible.
12 gosuite - Brings lightweight test suites with setup/teardown facilities to testing by leveraging Go1.7's Subtests.
12 badio - Extensions to Go's testing/iotest package.
10 stop-and-go - Testing helper for concurrency.
8 Tt - Simple and colorful test tools.
6 trial - Quick and easy extendable assertions without introducing much boilerplate.
5 go-testpredicate - Test predicate style assertions library with extensive diagnostics output.
2 go-mysql-test-container - Golang MySQL testcontainer to help with MySQL integration testing.
1 omg.testingtools - The simple library for change a values of private fields for testing.
ginkgo - BDD Testing Framework for Go.
gomega - Rspec like matcher/assertion library.
apitest - Simple and extensible behavioural testing library for REST based services or HTTP handlers that supports mocking external http calls and rendering of sequence diagrams.
gocheck - More advanced testing framework alternative to gotest.

Mock

9247 gomock - Mocking framework for the Go programming language.
5918 go-sqlmock - Mock SQL driver for testing database interactions.
5791 mockery - Tool to generate Go interfaces.
2328 hoverfly - HTTP(S) proxy for recording and simulating REST/SOAP APIs with extensible middleware and easy-to-use CLI.
2041 gock - Versatile HTTP mocking made easy.
1888 httpmock - Easy mocking of HTTP responses from external resources.
1843 moq - Utility that generates a struct from any interface. The struct can be used in test code as a mock of the interface.
926 counterfeiter - Tool for generating self-contained mock objects.
632 go-txdb - Single transaction based database driver mainly for testing purposes.
568 minimock - Mock generator for Go interfaces.
280 xgo - A general pureposed function mocking library.
165 govcr - HTTP mock for Golang: record and replay HTTP interactions for offline testing.
76 go-localstack - Tool for using localstack in AWS testing.
70 timex - A test-friendly replacement for the native time package.
23 mockhttp - Mock object for Go http.ResponseWriter.
18 mooncake - A simple way to generate mocks for multiple purposes.
genmock - Go mocking system with code generator for building calls of the interface methods.

Fuzzing and delta-debugging/reducing/shrinking

4727 go-fuzz - Randomized testing system.
1485 gofuzz - Library for populating go objects with random values.
244 Tavor - Generic fuzzing and delta-debugging framework.

Selenium and browser control tools

10558 chromedp - a way to drive/test Chrome, Safari, Edge, Android Webviews, and other browsers supporting the Chrome Debugging Protocol.
4985 rod - A Devtools driver to make web automation and scraping easy.
2536 selenoid - alternative Selenium hub server that launches browsers within containers.
1927 playwright-go - browser automation library to control Chromium, Firefox and WebKit with a single API.
719 cdp - Type-safe bindings for the Chrome Debugging Protocol that can be used with browsers or other debug targets that implement it.
312 ggr - a lightweight server that routes and proxies Selenium WebDriver requests to multiple Selenium hubs.

Fail injection

808 failpoint - An implementation of failpoints for Golang.

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Text Processing

Libraries for parsing and manipulating texts.

See also Natural Language Processing and Text Analysis.

Formatters

4173 go-humanize - Formatters for time, numbers, and memory size to human readable format.
530 bytes - Formats and parses numeric byte values (10K, 2M, 3G, etc.).
321 gotabulate - Easily pretty-print your tabular data with Go.
83 align - A general purpose application that aligns text.
80 go-fixedwidth - Fixed-width text formatting (encoder/decoder with reflection).
70 address - Handles address representation, validation and formatting.
5 textwrap - Wraps text at end of lines. Implementation of textwrap module from Python.

Markup Languages

5385 blackfriday - Markdown processor in Go.
4484 toml - TOML configuration format (encoder/decoder with reflection).
3427 goldmark - A Markdown parser written in Go. Easy to extend, standard (CommonMark) compliant, well structured.
1668 go-toml - Go library for the TOML format with query support and handy cli tools.
764 html-to-markdown - Convert HTML to Markdown. Even works with entire websites and can be extended through rules.
706 htmlquery - An XPath query package for HTML, lets you extract data or evaluate from HTML documents by an XPath expression.
616 mxj - Encode / decode XML as JSON or map[string]interface{}; extract values with dot-notation paths and wildcards. Replaces x2j and j2x packages.
255 goq - Declarative unmarshalling of HTML using struct tags with jQuery syntax (uses GoQuery).
97 bafi - Universal JSON, BSON, YAML, XML translator to ANY format using templates.
15 go-output-format - Output go structures into multiple formats (YAML/JSON/etc) in your command line app.
11 bbConvert - Converts bbCode to HTML that allows you to add support for custom bbCode tags.
4 htree - Traverse, navigate, filter, and otherwise process trees of html.Node objects.
4 htmlyaml - Rich rendering of YAML as HTML in Go

Parsers/Encoders/Decoders

6940 sh - Shell parser and formatter.
2500 gofeed - Parse RSS and Atom feeds in Go.
1323 when - Natural EN and RU language date/time parser with pluggable rules.
885 commonregex - A collection of common regular expressions for Go.
644 omniparser - A versatile ETL library that parses text input (CSV/txt/JSON/XML/EDI/X12/EDIFACT/etc) in streaming fashion and transforms data into JSON output using data-driven schema.
545 gographviz - Parses the Graphviz DOT language.
208 go-nmea - NMEA parser library for the Go language.
134 editorconfig-core-go - Editorconfig file parser and manipulator for Go.
113 sdp - SDP: Session Description Protocol [RFC 4566].
102 go-vcard - Parse and format vCard.
87 tokenizer - Parse any string, slice or infinite buffer to any tokens.
86 did - DID (Decentralized Identifiers) Parser and Stringer in Go.
59 allot - Placeholder and wildcard text parsing for CLI tools and bots.
46 normalize - Sanitize, normalize and compare fuzzy text.
41 gonameparts - Parses human names into individual name parts.
34 xj2go - Convert xml or json to go struct.
33 go-fasttld - High performance effective top level domains (eTLD) extraction module.
24 codetree - Parses indented code (python, pixy, scarlet, etc.) and returns a tree structure.
10 parseargs-go - string argument parser that understands quotes and backslashes.
9 encdec - Package provides a generic interface to encoders and decoders.
9 ltsv - High performance LTSV (Labeled Tab Separated Value) reader for Go.
8 doi - Document object identifier (doi) parser in Go.
6 prattle - Scan and parse LL(1) grammars simply and efficiently.
parth - URL path segmentation parsing.

Regular Expressions

189 rex - Regular expressions builder.
143 regroup - Match regex expression named groups into go struct using struct tags and automatic parsing.
90 goregen - Library for generating random strings from regular expressions.
77 genex - Count and expand Regular Expressions into all matching Strings.
73 go-wildcard - Simple and lightweight wildcard pattern matching.

Sanitation

3025 bluemonday - HTML Sanitizer.
63 gofuckyourself - A sanitization-based swear filter for Go.

Scrapers

22526 colly - Fast and Elegant Scraping Framework for Gophers.
13723 GoQuery - GoQuery brings a syntax and a set of features similar to jQuery to the Go language.
1165 xurls - Extract urls from text.
650 dataflowkit - Web scraping Framework to turn websites into structured data.
205 gospider - A simple golang spider/scraping framework,build a spider in 3 lines. migrated from 210 goribot
102 pagser - Pagser is a simple, extensible, configurable parse and deserialize html page to struct based on goquery and struct tags for golang crawler.
36 Tagify - Produces a set of tags from given source.
25 go-recipe - A package for scraping recipes from websites.
8 walker - Seamlessly fetch paginated data from any source. Simple and high performance API scraping included.

RSS

128 podcast - iTunes Compliant and RSS 2.0 Podcast Generator in Golang

Utility/Miscellaneous

597 go-runewidth - Functions to get fixed width of the character or string.
192 radix - Fast string sorting algorithm.
109 go-zero-width - Zero-width character detection and removal for Go.
46 petrovich - Petrovich is the library which inflects Russian names to given grammatical case.
19 kace - Common case conversions covering common initialisms.
18 TySug - Alternative suggestions with respect to keyboard layouts.

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Third-party APIs

Libraries for accessing third party APIs.

10149 github - Go library for accessing the GitHub REST API v3.
8558 go-openai - OpenAI ChatGPT, DALL·E, Whisper API library for Go.
4850 discordgo - Go bindings for the Discord Chat API.
4596 slack - Slack API in Go.
3877 google - Auto-generated Google APIs for Go.
3648 google-cloud - Google Cloud APIs Go Client Library.
2480 aws-sdk-go - The official AWS SDK for the Go programming language.
2347 minio-go - Minio Go Library for Amazon S3 compatible cloud storage.
2042 stripe - Go client for the Stripe API.
1586 go-twitter - Go client library for the Twitter v1.1 APIs.
1439 go-jira - Go client library for Atlassian JIRA
1288 facebook - Go Library that supports the Facebook Graph API.
1139 anaconda - Go client library for the Twitter 1.1 API.
1095 githubql - Go library for accessing the GitHub GraphQL API v4.
943 webhooks - Webhook receiver for GitHub and Bitbucket.
866 twitter-scraper - Scrape the Twitter Frontend API without authentication and limits.
659 paypal - Wrapper for PayPal payment API.
503 geo-golang - Go Library to access Google Maps, MapQuest, Nominatim, OpenCage, Bing, Mapbox, and OpenStreetMap geocoding / reverse geocoding APIs.
394 lark - Feishu/Lark Open API Go SDK, Support ALL Open API and Event Callback.
286 openaigo - OpenAI GPT3/GPT3.5 ChatGPT API client library for Go.
265 ethrpc - Go bindings for Ethereum JSON RPC API.
214 Trello - Go wrapper for the Trello API.
199 go-marathon - Go library for interacting with Mesosphere's Marathon PAAS.
193 go-lark - An easy-to-use unofficial SDK for Feishu and Lark Open Platform.
152 wit-go - Go client for wit.ai HTTP API.
141 pushover - Go wrapper for the Pushover API.
140 Medium - Golang SDK for Medium's OAuth2 API.
140 go-trending - Go library for accessing trending repositories and developers at Github.
136 simples3 - Simple no frills AWS S3 Library using REST with V4 Signing written in Go.
135 gosip - Client library for SharePoint.
129 gostorm - GoStorm is a Go library that implements the communications protocol required to write Storm spouts and Bolts in Go that communicate with the Storm shells.
112 go-atlassian - Go library for accessing the Atlassian Cloud services (Jira, Jira Service Management, Jira Agile, Confluence, Admin Cloud)
111 hipchat (xmpp) - A golang package to communicate with HipChat over XMPP.
109 golang-tmdb - Golang wrapper for The Movie Database API v3.
104 hipchat - This project implements a golang client library for the Hipchat API.
91 cachet - Go client library for Cachet (open source status page system).
88 disgo - Go API Wrapper for the Discord API.
80 igdb - Go client for the Internet Game Database API.
79 gogtrends - Google Trends Unofficial API.
78 google-play-scraper - Get data from Google Play Store.
74 go-postman-collection - Go module to work with Postman Collections (compatible with Insomnia).
74 go-unsplash - Go client library for the Unsplash.com API.
72 airtable - Go client library for the Airtable API.
68 ynab - Go wrapper for the YNAB API.
66 go-redoc - Embedded OpenAPI/Swagger documentation ui for Go using ReDoc.
65 circleci - Go client library for interacting with CircleCI's API.
60 mixpanel - Mixpanel is a library for tracking events and sending Mixpanel profile updates to Mixpanel from your go applications.
57 uptimerobot - Go wrapper and command-line client for the Uptime Robot v2 API.
57 amazon-product-advertising-api - Go Client Library for Amazon Product Advertising API.
56 GoMusicBrainz - Go MusicBrainz WS2 client library.
55 clarifai - Go client library for interfacing with the Clarifai API.
54 megos - Client library for accessing an Apache Mesos cluster.
51 go-xkcd - Go client for the xkcd API.
51 fcm - Go library for Firebase Cloud Messaging.
50 gads - Google Adwords Unofficial API.
50 spotify - Go Library to access Spotify WEB API.
45 swag - No comments, simple go wrapper to create swagger 2.0 compatible APIs. Support most routing frameworks, such as built-in, gin, chi, mux, echo, httprouter, fasthttp and more.
42 golyrics - Golyrics is a Go library to fetch music lyrics data from the Wikia website.
40 patreon-go - Go library for Patreon API.
38 go-myanimelist - Go client library for accessing the MyAnimeList API.
34 lastpass-go - Go client library for the LastPass API.
34 GoFreeDB - Golang library providing common and simple database abstractions on top of Google Sheets.
33 gami - Go library for Asterisk Manager Interface.
33 translate - Go online translation package.
32 steam - Go Library to interact with Steam game servers.
31 gcm - Go library for Google Cloud Messaging.
25 device-check-go - Go client library for interacting with iOS DeviceCheck API v1.
25 shopify - Go Library to make CRUD request to the Shopify API.
24 go-imgur - Go client library for imgur
23 coinpaprika-go - Go client library for interacting with Coinpaprika's API.
22 jokeapi-go - Go client for JokeAPI.
19 brewerydb - Go library for accessing the BreweryDB API.
19 textbelt - Go client for the textbelt.com txt messaging API.
18 codeship-go - Go client library for interacting with Codeship's API v2.
18 go-salesforce - Go client library for interacting with the Salesforce REST API.
17 go-aws-news - Go application and library to fetch what's new from AWS.
17 go-hacknews - Tiny Go client for HackerNews API.
16 go-openproject - Go client library for interacting with OpenProject API.
16 gopaapi5 - Go Client Library for Amazon Product Advertising API 5.0.
15 goami2 - AMI v2 library for Asterisk PBX.
15 bqwriter - High Level Go Library to write data into Google BigQuery at a high throughout.
15 google-analytics - Simple wrapper for easy google analytics reporting.
13 go-here - Go client library around the HERE location based APIs.
13 gomalshare - Go library MalShare API malshare.com
12 go-sophos - Go client library for the Sophos UTM REST API with zero dependencies.
11 go-swagger-ui - Go library containing precompiled Swagger UI for serving swagger json.
11 smite - Go package to wraps access to the Smite game API.
11 rawg-sdk-go - Go library for the RAWG Video Games Database API
10 ip2location-io-go - Go wrapper for the IP2Location.io API IP2Location.io.
10 rrdaclient - Go Library to access statdns.com API, which is in turn RRDA API. DNS Queries over HTTP.
10 goagi - Go library to build Asterisk PBX agi/fastagi applications.
9 libgoffi - Library adapter toolbox for native libffi integration
8 go-chronos - Go library for interacting with the Chronos Job Scheduler
8 google-email-audit-api - Go client library for Google G Suite Email Audit API.
8 go-hibp - Simple Go binding to the "Have I Been Pwned" APIs.
8 tumblr - Go wrapper for the Tumblr v2 API.
7 newsapi-go - Go client for NewsAPI.
7 zooz - Go client for the Zooz API.
5 appstore-sdk-go - Unofficial Golang SDK for AppStore Connect API.
4 go-restcountries - Go library for the REST Countries API.
3 dusupay-sdk-go - Unofficial Dusupay payment gateway API Client for Go
2 TripAdvisor - Go wrapper for the TripAdvisor API.
2 fasapay-sdk-go - Unofficial Fasapay payment gateway XML API Client for Golang.
2 vl-go - Go client library around the VerifID identity verification layer API.
2 gopensky - Go client implementation for OpenSKY Network live's API (airspace ADS-B and Mode S data).
2 playlyfe - The Playlyfe Rest API Go SDK.
go-telegraph - Telegraph publishing platform API client.
go-yapla - Go client library for the Yapla v2.0 API.

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Utilities

General utilities and tools to make your life easier.

61533 fzf - Command-line fuzzy finder written in Go.
44384 dive - A tool for exploring each layer in a Docker image.
22736 hub - wrap git commands with additional functionality to interact with github from the terminal.
15805 lo - A Lodash like Go library based on Go 1.18+ Generics (map, filter, contains, find...)
15638 sqlx - provides a set of extensions on top of the excellent built-in database/sql package.
15278 ctop - Top-like interface (e.g. htop) for container metrics.
13340 goreleaser - Deliver Go binaries as fast and easily as possible.
10499 wuzz - Interactive cli tool for HTTP inspection.
8758 usql - usql is a universal command-line interface for SQL databases.
7597 peco - Simplistic interactive filtering tool.
4657 go-funk - Modern Go utility library which provides helpers (map, find, contains, filter, chunk, reverse, ...).
4181 hystrix-go - Implements Hystrix patterns of programmer-defined fallbacks aka circuit breaker.
4172 godropbox - Common libraries for writing Go services/applications from Dropbox.
3766 lancet - A comprehensive, efficient, and reusable util function library of go.
3636 minify - Fast minifiers for HTML, CSS, JS, XML, JSON and SVG file formats.
3504 panicparse - Groups similar goroutines and colorizes stack dump.
3114 goreporter - Golang tool that does static analysis, unit testing, code review and generate code quality report.
2786 mergo - Helper to merge structs and maps in Golang. Useful for configuration default values, avoiding messy if-statements.
2746 mc - Minio Client provides minimal tools to work with Amazon S3 compatible cloud storage and filesystems.
2367 create-go-app - A powerful CLI for create a new production-ready project with backend (Golang), frontend (JavaScript, TypeScript) & deploy automation (Ansible, Docker) by running one command.
2279 retry-go - Simple library for retry mechanism.
2046 Storm - Simple and powerful toolkit for BoltDB.
2044 EaseProbe - A simple, standalone, and lightWeight tool that can do health/status checking daemon, support HTTP/TCP/SSH/Shell/Client/... probes, and Slack/Discord/Telegram/SMS... notification.
2041 filetype - Small package to infer the file type checking the magic numbers signature.
1755 jump - Jump helps you navigate faster by learning your habits.
1706 boilr - Blazingly fast CLI tool for creating projects from boilerplate templates.
1691 mole - cli app to easily create ssh tunnels.
1537 gitbatch - manage your git repositories in one place.
1536 Failsafe-go - Fault tolerance and resilience patterns for Go.
1472 mimetype - Package for MIME type detection based on magic numbers.
1225 scany - Library for scanning data from a database into Go structs and more.
1117 circuitbreaker - Circuit Breakers in Go.
1016 hostctl - A CLI tool to manage /etc/hosts with easy commands.
966 git-time-metric - Simple, seamless, lightweight time tracking for Git.
800 upterm - A tool for developers to share terminal/tmux sessions securely over the web. It’s perfect for remote pair programming, accessing computers behind NATs/firewalls, remote debugging, and more.
796 immortal - *nix cross-platform (OS agnostic) supervisor.
750 circuit - An efficient and feature complete Hystrix like Go implementation of the circuit breaker pattern.
630 delve - Go debugger.
623 clockwork - A simple fake clock for golang.
623 changie - Automated changelog tool for preparing releases with lots of customization options.
619 ergo - The management of multiple local services running over different ports made easy.
557 clipboard - 📋 cross-platform clipboard package in Go.
555 htcat - Parallel and Pipelined HTTP GET Utility.
533 scan - Scan golang sql.Rows directly to structs, slices, or primitive types.
524 koazee - Library inspired in Lazy evaluation and functional programming that takes the hassle out of working with arrays.
495 remote-touchpad - Control mouse and keyboard from a smartphone.
492 godaemon - Utility to write daemons.
489 go-dry - DRY (don't repeat yourself) package for Go.
479 gubrak - Golang utility library with syntactic sugar. It's like lodash, but for golang.
452 gopencils - Small and simple package to easily consume REST APIs.
447 Deepcopier - Simple struct copying for Go.
429 mani - CLI tool to help you manage multiple repositories.
427 request - Go HTTP Requests for Humans™.
396 go-rate - Timed rate limiter for Go.
373 countries - Full implementation of ISO-3166-1, ISO-4217, ITU-T E.164, Unicode CLDR and IANA ccTLD standards.
352 limiters - Rate limiters for distributed applications in Golang with configurable back-ends and distributed locks.
341 grofer - A system and resource monitoring tool written in Golang!
335 retry - The most advanced functional mechanism to perform actions repetitively until successful.
328 serve - A static http server anywhere you need.
295 config-file-validator - Cross Platform tool to validate configuration files.
288 util - Collection of useful utility functions. (strings, concurrency, manipulations, ...).
287 gotenv - Load environment variables from .env or any io.Reader in Go.
286 rospo - Simple and reliable ssh tunnels with embedded ssh server in Golang.
257 wifiqr - Wi-Fi QR Code Generator.
255 gohper - Various tools/modules help for development.
245 go-trigger - Go-lang global event triggerer, Register Events with an id and trigger the event from anywhere from your project.
243 pattern-match - Pattern matching library.
216 go-sitemap-generator - XML Sitemap generator written in Go.
196 toolbox - Slice, map, multimap, struct, function, data conversion utilities. Service router, macro evaluator, tokenizer.
194 Death - Managing go application shutdown with signals.
184 go-bind-plugin - go:generate tool for wrapping symbols exported by golang plugins (1.8 only).
168 moldova - Utility for generating random data based on an input template.
167 rerun - Recompiling and rerunning go apps when source changes.
166 apm - Process manager for Golang applications with an HTTP API.
161 go-bsdiff - Pure Go bsdiff and bspatch libraries and CLI tools.
157 robustly - Runs functions resiliently, catching and restarting panics.
155 chyle - Changelog generator using a git repository with multiple configuration possibilities.
152 cryptgo - Crytpgo is a TUI based application written purely in Go to monitor and observe cryptocurrency prices in real time!
151 cmd - Library for executing shell commands on osx, windows and linux.
149 goval - Evaluate arbitrary expressions in Go.
147 filter - provide filtering, sanitizing, and conversion of Go data.
141 nostromo - CLI for building powerful aliases.
134 onecache - Caching library with support for multiple backend stores (Redis, Memcached, filesystem etc).
131 sorty - Fast Concurrent / Parallel Sorting.
129 mongo-go-pagination - Mongodb Pagination for official mongodb/mongo-go-driver package which supports both normal queries and Aggregation pipelines.
124 lrserver - LiveReload server for Go.
115 gitcs - Git Commits Visualizer, CLI tool to visualize your Git commits on your local machine.
114 goseaweedfs - SeaweedFS client library with almost full features.
111 go-lock - go-lock is a lock library implementing read-write mutex and read-write trylock without starvation.
102 mssqlx - Database client library, proxy for any master slave, master master structures. Lightweight and auto balancing in mind.
100 xferspdy - Xferspdy provides binary diff and patch library in golang.
98 mimemagic - Pure Go ultra performant MIME sniffing library/utility.
93 go-health - Health package simplifies the way you add health check to your services.
88 go-lambda-cleanup - A CLI for removing unused or previous versions of AWS Lambdas.
87 go-pattern-match - A Pattern matching library inspired by ts-pattern.
86 pgo - Convenient functions for PHP community.
85 repeat - Go implementation of different backoff strategies useful for retrying operations and heartbeating.
85 countries - All you need when you are working with countries in Go.
81 equalizer - Quota manager and rate limiter collection for Go.
80 pm - Process (i.e. goroutine) manager with an HTTP API.
80 handy - Many utilities and helpers like string handlers/formatters and validators.
73 netbug - Easy remote profiling of your services.
70 UNIS - Common Architecture™ for String Utilities in Go.
70 multitick - Multiplexor for aligned tickers.
69 goreadability - Webpage summary extractor using Facebook Open Graph and arc90's readability.
65 retry - Simple and easy retry mechanism package for Go.
64 backscanner - A scanner similar to bufio.Scanner, but it reads and returns lines in reverse order, starting at a given position and going backward.
63 go-astitodo - Parse TODOs in your GO code.
62 golog - Easy and lightweight CLI tool to time track your tasks.
62 minquery - MongoDB / mgo.v2 query that supports efficient pagination (cursors to continue listing documents where we left off).
61 scan - Scan sql rows into any type powered by generics.
61 dbt - A framework for running self-updating signed binaries from a central, trusted repository.
57 shutdown - App shutdown hooks for os.Signal handling.
55 beyond - The Go tool that will drive you to the AOP world!
53 golarm - Fire alarms with system events.
51 slice - Type-safe functions for common Go slice operations.
50 copy-pasta - Universal multi-workstation clipboard that uses S3 like backend for the storage.
49 goback - Go simple exponential backoff package.
48 retry-go - Retrying made simple and easy for golang.
47 copy - Package for fast copying structs of different types.
47 cvt - Easy and safe convert any value to another type.
46 go-httpheader - Go library for encoding structs into Header fields.
46 slicer - Makes working with slices easier.
46 set - Performant and flexible struct mapping and loose type conversion.
46 sshman - SSH Manager for authorized_keys files on multiple remote servers.
46 intrinsic - Use x86 SIMD without writing any assembly code.
44 gostrutils - Collections of string manipulation and conversion functions.
43 ghokin - Parallelized formatter with no external dependencies for gherkin (cucumber, behat...).
41 pointer - Package pointer contains helper routines for simplifying the creation of optional fields of basic type.
41 yogo - Check yopmail mails from command line.
40 gpath - Library to simplify access struct fields with Go's expression in reflection.
39 evaluator - Evaluate an expression dynamically based on s-expression. It's simple and easy to extend.
38 throttle - Throttle is an object that will perform exactly one action per duration.
35 rclient - Readable, flexible, simple-to-use client for REST APIs.
35 tome - Tome was designed to paginate simple RESTful APIs.
34 myhttp - Simple API to make HTTP GET requests with timeout support.
33 mimesniffer - A MIME type sniffer for Go.
30 watchhttp - Run command periodically and expose latest STDOUT or its rich delta as HTTP endpoint.
30 generate - runs go generate recursively on a specified path or environment variable and can filter by regex.
30 gofn - High performance utility functions written using Generics for Go 1.18+.
29 goplaceholder - a small golang lib to generate placeholder images.
27 ugo - ugo is slice toolbox with concise syntax for Go.
26 graterm - Provides primitives to perform ordered (sequential/concurrent) GRAceful TERMination (aka shutdown) in Go application.
25 ptr - Package that provide functions for simplified creation of pointers from constants of basic types.
25 ctxutil - A collection of utility functions for contexts.
24 structs - Implement simple functions to manipulate structs.
24 just - Just a collection of useful functions for working with generic data structures.
23 go-convert - Package go-convert enables you to convert a value into another type.
22 jsend - JSend's implementation written in Go.
22 go-qr - A native, high-quality and minimalistic QR code generator.
19 go-type - Library providing Go types for store/validation and transfer of ISO-4217, ISO-3166, and other types.
17 dlog - Compile-time controlled logger to make your release smaller without removing debug calls.
17 contextplus - Package contextplus provide more easy to use functions for contexts.
17 go-problemdetails - Go package for working with Problem Details.
17 filler - small utility to fill structs using "fill" tag.
16 okrun - go run error steamroller.
16 rest-go - A package that provide many helpful methods for working with rest api.
15 go-actuator - Production ready features for Go based web frameworks.
14 command - Command pattern for Go with thread safe serial and parallel dispatcher.
13 go-countries - Lightweight lookup over ISO-3166 codes.
13 go-clip - A minimalistic clipboard manager for Mac.
13 silk - Read silk netflow files.
12 blank - Verify or remove blanks and whitespace from strings.
12 retry - A pretty simple library to ensure your work to be done.
11 statiks - Fast, zero-configuration, static HTTP filer server.
11 bleep - Perform any number of actions on any set of OS signals in Go.
10 sliceconv - Slice conversion between primitive types.
10 retry - A simple but highly configurable retry package for Go.
9 nfdump - Read nfdump netflow files.
9 goctx - Get your context value with high performance.
8 loncha - A high-performance slice Utilities.
7 lets-go - Go module that provides common utilities for Cloud Native REST API development. Also contains AWS Specific utilities.
7 reflectutils - Helpers for working with reflection: struct tag parsing; recursive walking; fill value from string.
6 olaf - Twitter Snowflake implemented in Go.
6 go-pkg - A go toolkit.
5 tik - Simple and easy timing wheel package for Go.
2 objwalker - Walk by go objects with reflection.

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UUID

Libraries for working with UUIDs.

5108 uuid - Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services.
4306 ulid - Go implementation of ULID (Universally Unique Lexicographically Sortable Identifier).
3796 xid - Xid is a globally unique id generator library, ready to be safely used directly in your server code.
1536 uuid - Implementation of Universally Unique Identifier (UUID). Supports both creation and parsing of UUIDs. Actively maintained fork of satori uuid.
523 wuid - An extremely fast globally unique number generator.
90 sno - Compact, sortable and fast unique IDs with embedded metadata.
60 nanoid - A tiny and efficient Go unique string ID generator.
41 goid - Generate and Parse RFC4122 compliant V4 UUIDs.
23 gouid - Generate cryptographically secure random string IDs with just one allocation.
18 uuid - Generate, encode, and decode UUIDs v1 with fast or cryptographic-quality random node identifier.
uniq - No hassle safe, fast unique identifiers with commands.

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Validation

Libraries for validation.

15987 validator - Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving.
5954 govalidator - Validators and sanitizers for strings, numerics, slices and structs.
3626 ozzo-validation - Supports validation of various data types (structs, strings, maps, slices, etc.) with configurable and extensible validation rules specified in usual code constructs instead of struct tags.
1295 govalidator - Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.
1027 validate - Go package for data validation and filtering. support validate Map, Struct, Request(Form, JSON, url.Values, Uploaded Files) data and more features.
111 checkdigit - Provide check digit algorithms (Luhn, Verhoeff, Damm) and calculators (ISBN, EAN, JAN, UPC, etc.).
106 jio - jio is a json schema validator similar to 20717 joi.
95 validate - This package provides a framework for writing validations for Go applications.
67 gody - 🎈 A lightweight struct validator for Go.
39 govalid - Fast, tag-based validation for structs.
26 valix Go package for validating requests
9 hvalid hvalid is a lightweight validation library written in Go language. It provides a custom validator interface and a series of common validation functions to help developers quickly implement data validation.
7 Validator - A lightweight model validator written in Go.Contains VFs:Min, Max, MinLength, MaxLength, Length, Enum, Regex.

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Version Control

Libraries for version control.

5650 go-git - highly extensible Git implementation in pure Go.
2059 hercules - gaining advanced insights from Git repository history.
1920 git2go - Go bindings for libgit2.
99 githooks - Per-repo and shared Git hooks with version control and auto update.
82 gh - Scriptable server and net/http middleware for GitHub Webhooks.
79 go-vcs - manipulate and inspect VCS repositories in Go.
43 froggit-go - Froggit-Go is a Go library, allowing to perform actions on VCS providers.
17 hgo - Hgo is a collection of Go packages providing read-access to local Mercurial repositories.
cli - An open-source GitLab command line tool bringing GitLab's cool features to your command line.

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Video

Libraries for manipulating video.

2079 goav - Comprehensive Go bindings for FFmpeg.
1188 m3u8 - Parser and generator library of M3U8 playlists for Apple HLS.
880 gmf - Go bindings for FFmpeg av* libraries.
633 gortsplib - Pure Go RTSP server and client library.
559 go-astisub - Manipulate subtitles in GO (.srt, .stl, .ttml, .webvtt, .ssa/.ass, teletext, .smi, etc.).
532 go-astits - Parse and demux MPEG Transport Streams (.ts) natively in GO.
418 libvlc-go - Go bindings for libvlc 2.X/3.X/4.X (used by the VLC media player).
215 go-astiav - Better C bindings for ffmpeg in GO.
168 gst - Go bindings for GStreamer.
77 v4l - Video capture library for Linux, written in Go.
27 go-m3u8 - Parser and generator library for Apple m3u8 playlists. Actively maintained version of quangngotan95/go-m3u8 with improvements and latest HLS playlist parsing compatibility.
26 libgosubs - Subtitle format support for go. Supports .srt, .ttml, and .ass.
22 go-mpd - Parser and generator library for MPEG-DASH manifest files.

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Web Frameworks

Full stack web frameworks.

76558 Gin - Gin is a web framework written in Go! It features a martini-like API with much better performance, up to 40 times faster. If you need performance and good productivity.
32002 Fiber - An Express.js inspired web framework build on Fasthttp.
31085 Beego - beego is an open-source, high-performance web framework for the Go programming language.
28911 Echo - High performance, minimalist Go web framework.
13115 Revel - High-productivity web framework for the Go language.
11058 GoFrame - GoFrame is a modular, powerful, high-performance and enterprise-class application development framework of Golang.
5513 Goa - Goa provides a holistic approach for developing remote APIs and microservices in Go.
4851 Hertz - A high-performance and strong-extensibility Go HTTP framework that helps developers build microservices.
3758 Gizmo - Microservice toolkit used by the New York Times.
3512 go-json-rest - Quick and easy way to setup a RESTful JSON API.
3487 Macaron - Macaron is a high productive and modular design web framework in Go.
2216 utron - Lightweight MVC framework for Go(Golang).
1578 Huma - Framework for modern REST/GraphQL APIs with built-in OpenAPI 3, generated documentation, and a CLI.
1532 Goyave - Feature-complete REST API framework aimed at clean code and fast development, with powerful built-in functionalities.
1289 GoFr - Gofr is an opinionated microservice development framework.
1252 REST Layer - Framework to build REST/GraphQL API on top of databases with mostly configuration over code.
1205 Atreugo - High performance and extensible micro web framework with zero memory allocations in hot paths.
996 tigertonic - Go framework for building JSON web services inspired by Dropwizard.
832 tango - Micro & pluggable web framework for Go.
750 Gearbox - A web framework written in Go with a focus on high performance and memory optimization.
569 Aero - High-performance web framework for Go, reaches top scores in Lighthouse.
502 gongular - Fast Go web framework with input mapping/validation and (DI) Dependency Injection.
501 rk-boot - A bootstrapper library for building enterprise go microservice with Gin and gRPC quickly and easily.
487 Flamingo Commerce - Providing e-commerce features using clean architecture like DDD and ports and adapters, that you can use to build flexible e-commerce applications.
438 Air - An ideally refined web framework for Go.
435 Flamingo - Framework for pluggable web projects. Including a concept for modules and offering features for DI, Configareas, i18n, template engines, graphql, observability, security, events, routing & reverse routing etc.
419 neo - Neo is minimal and fast Go Web Framework with extremely simple API.
373 mango - Mango is a modular web-application framework for Go, inspired by Rack, and PEP333.
329 uAdmin - Fully featured web framework for Golang, inspired by Django.
312 Gondola - The web framework for writing faster sites, faster.
298 WebGo - A micro-framework to build web apps; with handler chaining, middleware and context injection. With standard library compliant HTTP handlers(i.e. http.HandlerFunc).
288 Ginrpc - Gin parameter automatic binding tool,gin rpc tools.
270 Golf - Golf is a fast, simple and lightweight micro-web framework for Go. It comes with powerful features and has no dependencies other than the Go Standard Library.
225 Yokai - Simple, modular, and observable Go framework for backend applications.
181 hiboot - hiboot is a high performance web application framework with auto configuration and dependency injection support.
131 appy - An opinionated productive web framework that helps scaling business easier.
128 go-rest - Small and evil REST framework for Go.
125 patron - Patron is a microservice framework following best cloud practices with a focus on productivity.
114 Microservice - The framework for the creation of microservices, written in Golang.
107 Gone - A lightweight dependency injection and web framework inspired by Spring.
98 rux - Simple and fast web framework for build golang HTTP applications.
85 Fastschema - A flexible Go web framework and Headless CMS.
84 vox - A golang web framework for humans, inspired by Koa heavily.
75 Golax - A non Sinatra fast HTTP framework with support for Google custom methods, deep interceptors, recursion and more.
67 YARF - Fast micro-framework designed to build REST APIs and web services in a fast and simple way.
60 Fireball - More "natural" feeling web framework.
49 goa - goa is just like koajs for golang, it is a flexible, light, high-performance and extensible web framework based on middleware.
49 GoTuna - Minimalistic web framework for Go with mux router, middlewares, sessions, templates, embedded views and static files.
47 Don - A highly performant and simple to use API framework.
37 Pulse - Pulse is an HTTP web framework written in Go (Golang)
37 goweb - Web framework with routing, websockets, logging, middleware, static file server (optional gzip), and automatic TLS.
34 Resoursea - REST framework for quickly writing resource based services.
33 rex - Rex is a library for modular development built upon gorilla/mux, fully compatible with net/http.
25 Lit - Highly performant declarative web framework for Golang, aiming for simplicity and quality of life.
24 Banjo - Very simple and fast web framework for Go.
7 golamb - Golamb makes it easier to write API endpoints for use with AWS Lambda and API Gateway.
5 anoweb - The lightweight and powerful web framework using the new way for Go.Another go the way.
Buffalo - Bringing the productivity of Rails to Go!
Confetti Framework - Confetti is a Go web application framework with an expressive, elegant syntax. Confetti combines the elegance of Laravel and the simplicity of Go.
Pnutmux - Pnutmux is a powerful Go web framework that uses regex for matching and handling HTTP requests. It offers features such as CORS handling, structured logging, URL parameters extraction, middlewares, and concurrency limiting.
aah - Scalable, performant, rapid development Web framework for Go.

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Middlewares

Actual middlewares

2620 Tollbooth - Rate limit HTTP request handler.
2579 CORS - Easily add CORS capabilities to your API.
2007 Limiter - Dead simple rate limit middleware for Go.
862 go-server-timing - Add/parse Server-Timing header.
500 go-fault - Fault injection middleware for Go.
144 ln-paywall - Go middleware for monetizing APIs on a per-request basis with the Lightning Network (Bitcoin).
98 XFF - Handle X-Forwarded-For header and friends.
72 rk-grpc - Middleware for gRPC with logging, metrics, auth, tracing etc.
43 rk-gin - Middleware for Gin framework with logging, metrics, auth, tracing etc.
39 formjson - Transparently handle JSON input as a standard form POST.
24 client-timing - An HTTP client for Server-Timing header.
15 echo-middleware - Middleware for Echo framework with logging and metrics.
8 mid - Miscellaneous HTTP middleware features: idiomatic error return from handlers; receive/respond with JSON data; request tracing; and more.

Libraries for creating HTTP middlewares

7430 negroni - Idiomatic HTTP middleware for Golang.
3033 alice - Painless middleware chaining for Go.
1910 render - Go package for easily rendering JSON, XML, and HTML template responses.
595 stats - Go middleware that stores various information about your web application.
294 interpose - Minimalist net/http middleware for golang.
261 renderer - Simple, lightweight and faster response (JSON, JSONP, XML, YAML, HTML, File) rendering package for Go.
208 muxchain - Lightweight middleware for net/http.
102 gores - Go package that handles HTML, JSON, XML and etc. responses. Useful for RESTful APIs.
102 rye - Tiny Go middleware library (with canned Middlewares) that supports JWT, CORS, Statsd, and Go 1.7 context.
88 mediary - add interceptors to http.Client to allow dumping/shaping/tracing/... of requests/responses.
63 chain - Handler wrapper chaining with scoped data (net/context-based "middleware").
9 catena - http.Handler wrapper catenation (same API as "chain").

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Routers

20407 mux - Powerful URL router and dispatcher for golang.
17506 chi - Small, fast and expressive HTTP router built on net/context.
16400 httprouter - High performance router. Use this and the standard http handlers to form a very high performance web framework.
1510 gocraft/web - Mux and middleware package in Go.
1292 Bone - Lightning Fast HTTP Multiplexer.
957 Goji - Goji is a minimalistic and flexible HTTP request multiplexer with support for net/context.
876 fasthttprouter - High performance router forked from httprouter. The first router fit for fasthttp.
616 httptreemux - High-speed, flexible tree-based HTTP router for Go. Inspiration from httprouter.
533 xujiajun/gorouter - A simple and fast HTTP router for Go.
450 ozzo-routing - An extremely fast Go (golang) HTTP router that supports regular expression route matching. Comes with full support for building RESTful APIs.
387 lars - Is a lightweight, fast and extensible zero allocation HTTP router for Go used to create customizable frameworks.
350 Siesta - Composable framework to write middleware and handlers.
268 vestigo - Performant, stand-alone, HTTP compliant URL Router for go web applications.
185 gowww/router - Lightning fast HTTP router fully compatible with the net/http.Handler interface.
153 GoRouter - GoRouter is a Server/API micro framework, HTTP request router, multiplexer, mux that provides request router with middleware supporting net/context.
148 pure - Is a lightweight HTTP router that sticks to the std "net/http" implementation.
129 alien - Lightweight and fast http router from outer space.
107 violetear - Go HTTP router.
103 Bxog - Simple and fast HTTP router for Go. It works with routes of varying difficulty, length and nesting. And he knows how to create a URL from the received parameters.
98 xmux - High performance muxer based on httprouter with net/context support.
77 goblin - A golang http router based on trie tree.
65 ngamux - Simple HTTP router for Go.
54 bellt - A simple Go HTTP router.
23 FastRouter - a fast, flexible HTTP router written in Go.
22 GoLobby/Router - GoLobby Router is a lightweight yet powerful HTTP router for the Go programming language.
13 nchi - chi-like router built on httprouter with dependency injection based middleware wrappers
9 goroute - Simple yet powerful HTTP request multiplexer.

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WebAssembly

14685 tinygo - Go compiler for small places. Microcontrollers, WebAssembly, and command-line tools. Based on LLVM.
484 dom - DOM library.
237 go-canvas - Library to use HTML5 Canvas, with all drawing within go code.
181 wasmbrowsertest - Run Go WASM tests in your browser.
165 webapi - Bindings for DOM and HTML generated from WebIDL.
98 vert - Interop between Go and JS values.
61 Extism Go SDK - Universal, cross-language WebAssembly framework for building plug-in systems and polyglot apps.

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Windows

1135 go-ole - Win32 OLE implementation for golang.
158 d3d9 - Go bindings for Direct3D9.
11 gosddl - Converter from SDDL-string to user-friendly JSON. SDDL consist of four part: Owner, Primary Group, DACL, SACL.

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XML

Libraries and tools for manipulating XML.

742 zek - Generate a Go struct from XML.
660 xpath - XPath package for Go.
159 xquery - XQuery lets you extract data from HTML/XML documents using XPath expression.
64 xml2map - XML to MAP converter written Golang.
28 xmlwriter - Procedural XML generation API based on libxml2's xmlwriter module.
21 XML-Comp - Simple command line XML comparer that generates diffs of folders, files and tags.

Zero Trust

Libraries and tools to implement Zero Trust architectures.

4202 Cosign - Container Signing, Verification and Storage in an OCI registry.
1710 Spire - SPIRE (the SPIFFE Runtime Environment) is a toolchain of APIs for establishing trust between software systems across a wide variety of hosting platforms.
118 in-toto - Go implementation of the in-toto (provides a framework to protect the integrity of the software supply chain) python reference implementation.
79 Spiffe-Vault - Utilizes Spiffe JWT authentication with Hashicorp Vault for secretless authentication.

Code Analysis

Source code analysis tools, also known as Static Application Security Testing (SAST) Tools.

14800 golangci-lint – A fast Go linters runner. It runs linters in parallel, uses caching, supports yaml config, has integrations with all major IDE and has dozens of linters included.
6006 staticcheck - staticcheck is go vet on steroids, applying a ton of static analysis checks you might be used to from tools like ReSharper for C#.
4669 revive – ~6x faster, stricter, configurable, extensible, and beautiful drop-in replacement for golint.
2299 errcheck - Errcheck is a program for checking for unchecked errors in Go programs.
1794 go-critic - source code linter that brings checks that are currently not implemented in other linters.
1762 GoPlantUML - Library and CLI that generates text plantump class diagram containing information about structures and interfaces with the relationship among them.
1096 gcvis - Visualise Go program GC trace data in real time.
934 php-parser - A Parser for PHP written in Go.
864 golines - Formatter that automatically shortens long lines in Go code.
833 go-cleanarch - go-cleanarch was created to validate Clean Architecture rules, like a The Dependency Rule and interaction between packages in your Go projects.
760 goast-viewer - Web based Golang AST visualizer.
646 go-mod-outdated - An easy way to find outdated dependencies of your Go projects.
483 vacuum - An ultra-super-fast, lightweight OpenAPI linter and quality checking tool.
424 Chronos - Detects race conditions statically
417 todocheck - Static code analyser which links TODO comments in code with issues in your issue tracker.
376 unconvert - Remove unnecessary type conversions from Go source.
338 dupl - Tool for code clone detection.
322 tickgit - CLI and go package for surfacing code comment TODOs (in any language) and applying a git blameto identify the author.
243 gostatus - Command line tool, shows the status of repositories that contain Go packages.
178 apicompat - Checks recent changes to a Go project for backwards incompatible changes.
129 go-checkstyle - checkstyle is a style check tool like java checkstyle. This tool inspired by java checkstyle, golint. The style referred to some points in Go Code Review Comments.
84 testifylint – A linter that checks usage of 22433 github.com/stretchr/testify.
76 asty - Converts golang AST to JSON and JSON to AST.
67 lint - Run linters as part of go test.
61 validate - Automatically validates struct fields with tags.
55 ChainJacking - Find which of your Go lang direct GitHub dependencies is susceptible to ChainJacking attack.
44 go-outdated - Console application that displays outdated packages.
42 usestdlibvars - A linter that detect the possibility to use variables/constants from the Go standard library.
11 golang-ifood-sdk - iFood API SDK.
goreturns - Adds zero-value return statements to match the func return types.
blanket - blanket is a tool that helps you catch functions which don't have direct unit tests in your Go packages.
goimports - Tool to fix (add, remove) your Go imports automatically.

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Editor Plugins

Plugin for text editors and IDEs.

15898 vim-go - Go development plugin for Vim.
5010 gocode - Autocompletion daemon for the Go programming language.
3776 vscode-go - Extension for Visual Studio Code (VS Code) which provides support for the Go language.
3416 GoSublime - Golang plugin collection for the text editor SublimeText 3 providing code completion and other IDE-like features.
1510 go-plus - Go (Golang) Package For Atom That Adds Autocomplete, Formatting, Syntax Checking, Linting and Vetting.
1370 go-mode - Go mode for GNU/Emacs.
565 coc-go language server extension for Vim/Neovim - This plugin adds 7279 gopls features to Vim/Neovim.
559 goimports-reviser - Formatting tool for imports.
201 Watch - Runs a command in an acme win on file changes.
87 vim-compiler-go - Vim plugin to highlight syntax errors on save.
32 go-language-server - A wrapper to turn the VSCode go extension into a language server supporting the language-server-protocol.
23 gounit-vim - Vim plugin for generating Go tests based on the function's or method's signature.
15 theia-go-extension - Go language support for the Theia IDE.
8 Go Doc - A Visual Studio Code extension for showing definition in output and generating go doc.
goprofiling - This extension adds benchmark profiling support for the Go language to VS Code.
Go plugin for JetBrains IDEs - Go plugin for JetBrains IDEs.

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Go Generate Tools

4886 gotests - Generate Go tests from your source code.
1704 genny - Elegant generics for Go.
300 xgen - XSD (XML Schema Definition) parser and Go/C/Java/Rust/TypeScript code generator.
137 hasgo - Generate Haskell inspired functions for your slices.
114 gonerics - Idiomatic Generics in Go.
109 gocontracts - brings design-by-contract to Go by synchronizing the code with the documentation.
80 gounit - Generate Go tests using your own templates.
79 sqlgen - Generate gorm, xorm, sqlx, bun, sql code from SQL file or DSN.
69 options-gen - Functional options described by Dave Cheney's post "Functional options for friendly APIs".
48 generic - flexible data type for Go.
42 envdoc - generate documentation for environment variables from Go source files.
18 godal - Generate orm models corresponding to golang by specifying sql ddl file, which can be used by gorm.
re2dfa - Transform regular expressions into finite state machines and output Go source code.
TOML-to-Go - Translates TOML into a Go type in the browser instantly.

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Go Tools

9352 go-swagger - Swagger 2.0 implementation for go. Swagger is a simple yet powerful representation of your RESTful API.
5812 go-callvis - Visualize call graph of your Go program using dot format.
5257 OctoLinker - Navigate through go files efficiently with the OctoLinker browser extension for GitHub.
894 depth - Visualize dependency trees of any package by analyzing imports.
833 richgo - Enrich go test outputs with text decorations.
578 go-size-analyzer - Analyze and visualize the size of dependencies in compiled Golang binaries, providing insight into their impact on the final build.
250 rts - RTS: response to struct. Generates Go structs from server responses.
201 godbg - Implementation of Rusts dbg! macro for quick and easy debugging during development.
196 typex - Examine Go types and their transitive dependencies, alternatively export results as TypeScript value objects (or types) declaration.
178 roumon - Monitor current state of all active goroutines via a command line interface.
123 gothanks - GoThanks automatically stars your go.mod github dependencies, sending this way some love to their maintainers.
112 colorgo - Wrapper around go command for colorized go build output.
99 gotestdox - Show Go test results as readable sentences.
65 igo - An igo to go transpiler (new language features for Go language!)
37 docs - Automatically generate RESTful API documentation for GO projects - aligned with Open API Specification standard.
32 gomodrun - Go tool that executes and caches binaries included in go.mod files.
20 decouple - Find “overspecified” function parameters that could be generalized with interface types.
17 modver - Compare two versions of a Go module to check the version-number change required (major, minor, or patchlevel), according to semver rules.
4 textra - Extract Go struct field names, types and tags for filtering and exporting.
gotemplate.io - Online tool to preview text/template templates live.

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Software Packages

Software written in Go.

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DevOps Tools

108048 kubernetes - Container Cluster Manager from Google.
68010 Moby - Collaborative project for the container ecosystem to assemble container-based systems.
48932 traefik - Reverse proxy and load balancer with support for multiple backends.
42877 Gitea - Fork of Gogs, entirely community driven.
28700 minikube - Run Kubernetes locally.
26908 k3s - Lightweight Kubernetes.
23824 k6 - A modern load testing tool, using Go and JavaScript.
22961 Vegeta - HTTP load testing tool and library. It's over 9000!
17537 Hey - Hey is a tiny program that sends some load to a web application.
14956 Packer - Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
12979 kind - Kubernetes IN Docker - local clusters for testing Kubernetes.
10673 kubeshark - API traffic analyzer for Kubernetes, inspired by Wireshark, purposely built for Kubernetes.
10024 webhook - Tool which allows user to create HTTP endpoints (hooks) that execute commands on the server.
9831 GVM - GVM provides an interface to manage Go versions.
8597 Flannel - Flannel is a network fabric for containers, designed for Kubernetes.
8234 Ddosify - High-performance load testing tool, written in Golang.
7392 ko - Command line tool for building and deploying Go applications on Kubernetes
6193 KubeVela - Cloud native application delivery.
5402 bombardier - Fast cross-platform HTTP benchmarking tool.
5241 podinfo - Podinfo is a tiny web application made with Go that showcases best practices of running microservices in Kubernetes. Podinfo is used by CNCF projects like Flux and Flagger for end-to-end testing and workshops.
5208 script - Making it easy to write shell-like scripts in Go for DevOps and system administration tasks.
5186 k3d - Little helper to run CNCF's k3s in Docker.
5179 gaia - Build powerful pipelines in any programming language.
4596 gox - Dead simple, no frills Go cross compile tool.
3934 Pomerium - Pomerium is an identity-aware access proxy.
3388 bosun - Time Series Alerting Framework.
2620 Fleet device management - Lightweight, programmable telemetry for servers and workstations.
2415 s5cmd - Blazing fast S3 and local filesystem execution tool.
2106 kala - Simplistic, modern, and performant job scheduler.
1837 fac - Command-line user interface to fix git merge conflicts.
1733 kubeblocks - KubeBlocks is an open-source control plane that runs and manages databases, message queues and other data infrastructure on K8s.
1680 goxc - build tool for Go, with a focus on cross-compiling and packaging.
1614 StatusOK - Monitor your Website and REST APIs.Get Notified through Slack, E-mail when your server is down or response time is more than expected.
1480 ghorg - Quickly clone an entire org/users repositories into one directory - Supports GitHub, GitLab, Gitea, and Bitbucket.
1456 go-selfupdate - Enable your Go applications to self update.
1146 s3gof3r - Small utility/library optimized for high speed transfer of large objects into and out of Amazon S3.
1124 uTask - Automation engine that models and executes business processes declared in yaml.
993 PipeCD - A GitOps-style continuous delivery platform that provides consistent deployment and operations experience for any applications.
941 kwatch - Monitor & detect crashes in your Kubernetes(K8s) cluster instantly.
938 skm - SKM is a simple and powerful SSH Keys Manager, it helps you to manage your multiple SSH keys easily!
871 Scaleway-cli - Manage BareMetal Servers from Command Line (as easily as with Docker).
790 KusionStack - A unified programmable configuration techstack to deliver modern app in 'platform as code' and 'infra as code' approach.
744 cassowary - Modern cross-platform HTTP load-testing tool written in Go.
662 kool - Command line tool for managing Docker environments as an easy way.
593 aurora - Cross-platform web-based Beanstalkd queue server console.
537 govvv - “go build” wrapper to easily add version information into Go binaries.
445 kubevpn - VPN tools to connect kubernetes cluster network and proxy workloads inbound traffic to local PC with service mesh.
413 Pewpew - Flexible HTTP command line stress tester.
381 jcli - Jenkins CLI allows you manage your Jenkins as an easy way.
354 gobrew - Go version manager. Super simple tool to install and manage Go versions. Install go without root. Gobrew doesn't require shell rehash.
340 gonative - Tool which creates a build of Go that can cross compile to all platforms while still using the Cgo-enabled versions of the stdlib packages.
330 trubka - A CLI tool to manage and troubleshoot Apache Kafka clusters with the ability of generically publishing/consuming protocol buffer and plain text events to/from Kafka.
323 lstags - Tool and API to sync Docker images across different registries.
315 Mora - REST server for accessing MongoDB documents and meta data.
314 easyssh-proxy - Golang package for easy remote execution through SSH and SCP downloading via ProxyCommand.
299 Balerter - A self-hosted script-based alerting manager.
297 manssh - manssh is a command line tool for managing your ssh alias config easily.
275 s3-proxy - S3 Proxy with GET, PUT and DELETE methods and authentication (OpenID Connect and Basic Auth).
274 tau - Easily build Cloud Computing Platforms with features like Serverless WebAssembly Functions, Frontend Hosting, CI/CD, Object Storage, K/V Database, and Pub-Sub Messaging.
273 terraform-provider-openapi - Terraform provider plugin that dynamically configures itself at runtime based on an OpenAPI document (formerly known as swagger file) containing the definitions of the APIs exposed.
266 dogo - Monitoring changes in the source file and automatically compile and run (restart).
228 godbg - Web-based gdb front-end application.
217 Blast - A simple tool for API load testing and batch jobs.
212 abbreviate - abbreviate is a tool turning long strings in to shorter ones with configurable separators, for example to embed branch names in to deployment stack IDs.
212 kcli - Command line tool for inspecting kafka topics/partitions/messages.
194 gobrew - gobrew lets you easily switch between multiple versions of go.
179 ostent - collects and displays system metrics and optionally relays to Graphite and/or InfluxDB.
167 grapes - Lightweight tool designed to distribute commands over ssh with ease.
165 Dockerfile-Generator - A go library and an executable that produces valid Dockerfiles using various input channels.
164 winrm-cli - Cli tool to remotely execute commands on Windows machines.
146 tf-profile - Profiler for Terraform runs. Generate global stats, resource-level stats or visualizations.
140 drone-scp - Copy files and artifacts via SSH using a binary, docker or Drone CI.
109 Mantil - Go specific framework for building serverless applications on AWS that enables you to focus on pure Go code while Mantil takes care of the infrastructure.
98 go-rocket-update - A simple way to make self updating Go applications - Supports Github and Gitlab.
98 go-furnace - Hosting solution written in Go. Deploy your Application with ease on AWS, GCP or DigitalOcean.
76 decompose - tool to generate and process Docker containers connections graphs.
64 Dropship - Tool for deploying code via cdn.
43 docker-go-mingw - Docker image for building Go binaries for Windows with MinGW toolchain.
38 drone-jenkins - Trigger downstream Jenkins jobs using a binary, docker or Drone CI.
36 httpref - httpref is a handy CLI reference for HTTP methods, status codes, headers, and TCP and UDP ports.
34 awsenv - Small binary that loads Amazon (AWS) environment variables for a profile.
33 Rodent - Rodent helps you manage Go versions, projects and track dependencies.
32 lwc - A live-updating version of the UNIX wc command.
23 DepCharge - Helps orchestrating the execution of commands across the many dependencies in larger projects.
18 wait-for - Wait for something to happen (from the command line) before continuing. Easy orchestration of Docker services and other things.
11 aptly - aptly is a Debian repository management tool.
8 sg - Benchmarks a set of HTTP endpoints (like ab), with possibility to use the response code and data between each call for specific server stress based on its previous response.
Docker - Open platform for distributed applications for developers and sysadmins.
gitea-github-migrator - Migrate all your GitHub repositories, issues, milestones and labels to your Gitea instance.
Wide - Web-based IDE for Teams using Golang.
Gogs - A Self Hosted Git Service in the Go Programming Language.

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Other Software

26730 croc - Easily and securely send files or folders from one computer to another.
24345 restic - De-duplicating backup program.
21556 Seaweed File System - Fast, Simple and Scalable Distributed File System with O(1) disk seek.
18402 Gor - Http traffic replication tool, for replaying traffic from production to stage/dev environments in real-time.
10452 toxiproxy - Proxy to simulate network and system conditions for automated tests.
10259 Comcast - Simulate bad network connections.
8297 confd - Manage local application configuration files using templates and data from etcd or consul.
7491 LiteIDE - LiteIDE is a simple, open source, cross-platform Go IDE.
6654 drive - Google Drive client for the commandline.
6259 scc - Sloc Cloc and Code, a very fast accurate code counter with complexity calculations and COCOMO estimates.
5396 nes - Nintendo Entertainment System (NES) emulator written in Go.
5053 Duplicacy - A cross-platform network and cloud backup tool based on the idea of lock-free deduplication.
4351 blocky - Fast and lightweight DNS proxy as ad-blocker for local network with many features.
2692 myLG - Command Line Network Diagnostic tool written in Go.
2589 GoBoy - Nintendo Game Boy Color emulator written in Go.
2478 Stack Up - Stack Up, a super simple deployment tool - just Unix - think of it like 'make' for a network of servers.
2366 lgo - Interactive Go programming with Jupyter. It supports code completion, code inspection and 100% Go compatibility.
2099 Documize - Modern wiki software that integrates data from SaaS tools.
1979 Circuit - Circuit is a programmable platform-as-a-service (PaaS) and/or Infrastructure-as-a-Service (IaaS), for management, discovery, synchronization and orchestration of services and hosts comprising cloud applications.
1606 borg - Terminal based search engine for bash snippets.
1412 Plik - Plik is a temporary file upload system (Wetransfer like) in Go.
1295 shell2http - Executing shell commands via http server (for prototyping or remote control).
1194 portal - Portal is a quick and easy command-line file transfer utility from any computer to another.
1081 Gokapi - Lightweight server to share files, which expire after a set amount of downloads or days. Similar to Firefox Send, but without public upload.
1067 vFlow - High-performance, scalable and reliable IPFIX, sFlow and Netflow collector.
987 peg - Peg, Parsing Expression Grammar, is an implementation of a Packrat parser generator.
899 Go Package Store - App that displays updates for the Go packages in your GOPATH.
747 Leaps - Pair programming service using Operational Transforms.
733 gfile - Securely transfer files between two computers, without any third party, over WebRTC.
665 Guora - A self-hosted Quora like web application written in Go.
642 sake - sake is a command runner for local and remote hosts.
631 Gebug - A tool that makes debugging of Dockerized Go applications super easy by enabling Debugger and Hot-Reload features, seamlessly.
597 gocc - Gocc is a compiler kit for Go written in Go.
576 yai - AI powered terminal assistant.
555 mockingjay - Fake HTTP servers and consumer driven contracts from one configuration file. You can also make the server randomly misbehave to help do more realistic performance tests.
469 go-peerflix - Video streaming torrent client.
460 GoNB - Interactive Go programming with Jupyter Notebooks (also works in VSCode, Binder and Google's Colab).
440 woke - Detect non-inclusive language in your source code.
366 ipe - Open source Pusher server implementation compatible with Pusher client libraries written in GO.
356 ide - Browser accessible IDE. Designed for Go with Go.
352 tcpprobe - TCP tool for network performance and path monitoring, including socket statistics.
313 hotswap - A complete solution to reload your go code without restarting your server, interrupting or blocking any ongoing procedure.
303 wellington - Sass project management tool, extends the language with sprite functions (like Compass).
299 Cherry - Tiny webchat server in Go.
298 Neo-cowsay - 🐮 cowsay is reborn. for a New Era.
252 tcpdog - eBPF based TCP observability.
239 crawley - Web scraper/crawler for cli.
207 joincap - Command-line utility for merging multiple pcap files together.
180 Orbit - A simple tool for running commands and generating files from templates.
152 vaku - CLI & API for folder-based functions in Vault like copy, move, and search.
144 stew - An independent package manager for compiled binaries.
102 fjira - A fuzzy-search based terminal UI application for Attlasian Jira
82 dp - Through SDK for data exchange with blockchain, developers can get easy access to DAPP development.
80 boxed - Dropbox based blog engine.
26 term-quiz - Quizzes for your terminal.
23 naclpipe - Simple NaCL EC25519 based crypto pipe tool written in Go.
17 Snitch - Simple way to notify your team and many tools when someone has deployed any application via Tsuru.
13 GoDocTooltip - Chrome extension for Go Doc sites, which shows function description as tooltip at function list.
8 hoofli - Generate PlantUML diagrams from Chrome or Firefox network inspections.
6 protoncheck - ProtonMail module for waybar/polybar/yabar/i3blocks.
syncthing - Open, decentralized file synchronization tool and protocol.
Juju - Cloud-agnostic service deployment and orchestration - supports EC2, Azure, Openstack, MAAS and more.
tsuru - Extensible and open source Platform as a Service software.
Better Go Playground - Go playground with syntax highlight, code completion and other features.
limetext - Lime Text is a powerful and elegant text editor primarily developed in Go that aims to be a Free and open-source software successor to Sublime Text.
Wave Terminal - Wave is an open-source, AI-native terminal built for seamless developer workflows with inline rendering, a modern UI, and persistent sessions.
goblin - Golang binaries in a curl, built by goblins.
GoLand - Full featured cross-platform Go IDE.
hugo - Fast and Modern Static Website Engine.
zs - an extremely minimal static site generator.

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Resources

Where to discover new Go libraries.

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Benchmarks

2029 go-web-framework-benchmark - Go web framework benchmark.
1640 go-http-routing-benchmark - Go HTTP request router benchmark and comparison.
1541 go_serialization_benchmarks - Benchmarks of Go serialization methods.
1040 skynet - Skynet 1M threads microbenchmark.
238 speedtest-resize - Compare various Image resize algorithms for the Go language.
146 go-benchmarks - Few miscellaneous Go microbenchmarks. Compare some language features to alternative approaches.
119 gospeed - Go micro-benchmarks for calculating the speed of language constructs.
99 autobench - Framework to compare the performance between different Go versions.
65 golang-sql-benchmark - Collection of benchmarks for popular Go database/SQL utilities.
61 gocostmodel - Benchmarks of common basic operations for the Go language.
30 go-ml-benchmarks - benchmarks for machine learning inference in Go.
27 go-benchmark-app - Powerful HTTP-benchmark tool mixed with Аb, Wrk, Siege tools. Gathering statistics and various parameters for benchmarks and comparison results.
26 kvbench - Key/Value database benchmark.
9 go-json-benchmark - Go JSON benchmark.

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Conferences

GoCon - Tokyo, Japan.
GoDays - Berlin, Germany.
GoLab - Florence, Italy.
GopherChina - Shanghai, China.
GopherCon - Denver, USA.
GopherCon Australia - Sydney, Australia.
GopherCon Brazil - Florianópolis, Brazil.
GopherCon Europe - Berlin, Germany.
GopherCon India - Pune, India.
GopherCon Israel - Tel Aviv, Israel.
GopherCon Russia - Moscow, Russia.
GopherCon Singapore - Mapletree Business City, Singapore.
GopherCon UK - London, UK.
GopherCon Vietnam - Ho Chi Minh City, Vietnam.
GoWest Conference - Lehi, USA.

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E-Books

E-books for purchase

100 Go Mistakes: How to Avoid Them
Black Hat Go - Go programming for hackers and pentesters.
Build an Orchestrator in Go
Continuous Delivery in Go - This practical guide to continuous delivery shows you how to rapidly establish an automated pipeline that will improve your testing, code quality, and final product.
Creative DIY Microcontroller Project With TinyGo and WebAssembly - An introduction into the TinyGo compiler with projects involving Arduino and WebAssembly.
Effective Go: Elegant, efficient, and testable code - Unlock Go’s unique perspective on program design, and start writing simple, maintainable, and testable Go code.
For the Love of Go - An introductory book for Go beginners.
Go in Practice, Second Edition - Your practical guide on the ins-and-outs of Go development, covering the standard library and the most important tools from Go’s powerful ecosystem.
Know Go: Generics - A guide to understanding and using generics in Go.
Lets-Go - A step-by-step guide to creating fast, secure and maintanable web applications with Go.
Lets-Go-Further - Advanced patterns for building APIs and web applications in Go.
The Power of Go: Tests - A guide to testing in Go.
The Power of Go: Tools - A guide to writing command-line tools in Go.
Writing A Compiler In Go
Writing An Interpreter In Go - Book that introduces dozens of techniques for writing idiomatic, expressive, and efficient Go code that avoids common pitfalls.

Free e-books

16296 GoBooks - A curated list of Go books.
9462 The Golang Standard Library by Example (Chinese)
5286 Go AST Book (Chinese) - A book focusing on Go go/* packages.
3163 Web Application with Go the Anti-Textbook
22 Go Succinctly - in Persian.
Go with the domain - A book showing how to apply DDD, Clean Architecture, and CQRS by practical refactoring.
Go Faster - This book seeks to shorten your learning curve and help you become a proficient Go programmer, faster.
Go 101 - A book focusing on Go syntax/semantics and all kinds of details.
A Go Developer's Notebook
Building Web Apps With Go
How To Code in Go eBook - A 600 page introduction to Go aimed at first time developers.
Learning Go
Network Programming With Go
Practical Go Lessons
Spaceship Go A Journey to the Standard Library
The Go Programming Language
Build Web Application with Golang
An Introduction to Programming in Go

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Gophers

3387 gophers - Free gophers.
3336 Free Gophers Pack - Gopher graphics pack by Maria Letta with illustrations and emotional characters in vector and raster.
2925 gophers - Gopher artworks by Ashley McNamara.
686 gopherize.me - Gopherize yourself.
612 gophericons
587 gopher-stickers
139 gophers - Gopher amigurumi toy pattern.
122 gopher-logos - adorable gopher logos.
69 Go-gopher-Vector - Go gopher Vector Data [.ai, .svg].
58 gophers - random gopher graphics.
32 gophers - Gophers by Aurélie Vache.

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Meetups

Add the group of your city/country here (send PR)

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Style Guides

29453 CockroachDB
15529 Hyperledger
15423 Uber
3053 Magnetico
1481 bahlo/go-styleguide
312 Trybe
GitLab
Google
Sourcegraph
Thanos

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Social Media

Twitter

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Reddit

r/golang

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Websites

120882 Go Projects - List of projects on the Go community wiki.
31432 awesome-awesomeness - List of other amazingly awesome lists.
28568 Awesome Remote Job - Curated list of awesome remote jobs. A lot of them are looking for Go hackers.
500 Awesome Golang Workshops - A curated list of awesome golang workshops.
139 golang-graphics - Collection of Go images, graphics, and art.
41 gocryforhelp - Collection of Go projects that needs help. Good place to start your open-source way in Go.
22 awesome-go-extra - Parse awesome-go README file and generate a new README file with repo info.
Golang Developer Jobs - Developer Jobs exclusively for Golang related Roles.
Golang Weekly - Each monday projects, tutorials and articles about Go.
Go Blog - The official Go blog.
Go Code Club - A group of Gophers read and discuss a different Go project every week.
Go Community on Hashnode - Community of Gophers on Hashnode.
Go Forum - Forum to discuss Go.
CodinGame - Learn Go by solving interactive tasks using small games as practical examples.
Go Proverbs - Go Proverbs by Rob Pike.
Go Report Card - A report card for your Go package.
go.dev - A hub for Go developers.
Coding Mystery - Solve exciting escape-room-inspired programming challenges using Go.
Awesome Go @LibHunt - Your go-to Go Toolbox.
Golang Flow - Post Updates, News, Packages and more.
Golang News - Links and news about Go programming.
Golang Resources - A curation of the best articles, exercises, talks and videos to learn Go.
Explore Go Libraries & Projects - Discover & find a curated list of popular & new Go libraries, top authors, trending project kits, discussions, tutorials & learning resources on kandi.
Code with Mukesh - Software Engineer and Blogs @ codewithmukesh.com.
golang-nuts - Go mailing list.
Google Plus Community - The Google+ community for #golang enthusiasts.
Gopher Community Chat - Join Our New Slack Community For Gophers (Understand how it came).
Gophercises - Free coding exercises for budding gophers.
json2go - Advanced JSON to Go struct conversion - online tool.
justforfunc - Youtube channel dedicated to Go programming language tips and tricks, hosted by Francesc Campoy @francesc.
Learn Go Programming - Learn Go concepts with illustrations.
Made with Golang
pkg.go.dev - Documentation for open source Go packages.
r/Golang - News about Go.
studygolang - The community of studygolang in China.
Trending Go repositories on GitHub today - Good place to find new Go libraries.
TutorialEdge - Golang

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Tutorials

43048 Build web application with Golang - Golang ebook intro how to build a web app with golang.
24496 go-patterns - Curated list of Go design patterns, recipes and idioms.
21515 Learn Go with TDD - Learn Go with test-driven development.
18528 Learn Go with 1000+ Exercises - Learn Go with thousands of examples, exercises, and quizzes.
8170 Go Cheat Sheet - Go's reference card.
6067 go-clean-template - Clean Architecture template for Golang services.
4547 Golang for Node.js Developers - Examples of Golang compared to Node.js for learning.
1710 Ethereum Development with Go - A little e-book on Ethereum Development with Go.
1152 Working with Go - Intro to go for experienced programmers.
792 goapp - An opinionated guideline to structure & develop a Go web application/service.
136 Go in 7 days - Learn everything about Go in 7 days (from a Nodejs developer).
112 Design Patterns in Go - Collection of programming design patterns implemented in Go.
60 Hex Monscape - Getting started guidelines in writing maintainable code using Hexagonal Architecture.
12 Debugged.it Go patterns - Advanced Go patterns with ready-to-run examples.
GopherCoding - Collection of code snippets and tutorials to help tackle every day issues.
Hackr.io - Learn Go from the best online golang tutorials submitted & voted by the golang programming community.
Caching Slow Database Queries - How to cache slow database queries.
Go database/sql tutorial - Introduction to database/sql.
Games With Go - A video series teaching programming and game development.
Go Language Tutorial - Learn Go language Tutorial.
Go Tutorial - Learn Go programming.
Go WebAssembly Tutorial - Building a Simple Calculator
Building Go Web Applications and Microservices Using Gin - Get familiar with Gin and find out how it can help you reduce boilerplate code and build a request handling pipeline.
Building and Testing a REST API in Go with Gorilla Mux and PostgreSQL - We’ll write an API with the help of the powerful Gorilla Mux.
50 Shades of Go - Traps, Gotchas, and Common Mistakes for New Golang Devs.
Build a Database in 1000 lines of code - Build a NoSQL Database From Zero in 1000 Lines of Code.
Golang Tutorial Guide - A List of Free Courses to Learn the Go Programming Language.
Golangbot - Tutorials to get started with programming in Go.
CodeCrafters Golang Track - Achieve mastery in advanced Go by building your own Redis, Docker, Git, and SQLite. Featuring goroutines, systems programming, file I/O, and more.
GopherSnippets - Code snippets with tests and testable examples for the Go programming language.
Gosamples - Collection of code snippets that let you solve everyday code problems.
Go By Example - Hands-on introduction to Go using annotated example programs.
Canceling MySQL - How to cancel MySQL queries.
How to Benchmark: dbq vs sqlx vs GORM - Learn how to benchmark in Go. As a case-study, we will benchmark dbq, sqlx and GORM.
How To Deploy a Go Web Application with Docker - Learn how to use Docker for Go development and how to build production Docker images.
How to Use Godog for Behavior-driven Development in Go - Get started with Godog — a Behavior-driven development framework for building and testing Go applications.
A Tour of Go - Interactive tour of Go.
A Guide to Golang E-Commerce - Building a Golang site for e-commerce (demo included).
Learning Go by examples - Series of articles in order to learn Golang language by concrete applications as example.
Microservices with Go - Dive deep into building microservices using Go, including gRPC.
package main - YouTube channel about Programming in Go.
Programming with Google Go - Coursera Specialization to learn about Go from scratch.
Saving a Third of Our Memory by Re-ordering Go Struct Fields - How inefficient field ordering in Go structs.
Scaling Go Applications - Everything about building, deploying and scaling Go applications in production.
The world’s easiest introduction to WebAssembly with Golang
Understanding Go in a visual way - Learn Go visually
W3basic Go Tutorials - W3Basic provides an in-depth tutorial and well-organized content to learn Golang programming.
A Comprehensive Guide to Structured Logging in Go - Delve deep into the world of structured logging in Go with a specific focus on recently accepted slog proposal which aims to bring high performance structured logging with levels to the standard library.
Your basic Go - Huge collection of tutorials and how to's.

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Guided Learning

The Go Developer Roadmap - A visual roadmap that new Go developers can follow through to help them learn Go.
The Go Learning Path - A guided learning path containing a mix of free and premium resources.

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About

Contents

Artificial Intelligence

Audio and Music

Authentication and OAuth

Blockchain

Bot Building

Build Automation

Command Line

Advanced Console UIs

Standard CLI

Configuration

Continuous Integration

CSS Preprocessors

Data Structures and Algorithms

Bit-packing and Compression

Bit Sets

Bloom and Cuckoo Filters

Data Structure and Algorithm Collections

Iterators

Maps

Miscellaneous Data Structures and Algorithms

Nullable Types

Queues

Sets

Text Analysis

Trees

Pipes

Database

Caches

Databases Implemented in Go

Database Schema Migration

Database Tools

SQL Query Builders

Database Drivers

Interfaces to Multiple Backends

Relational Database Drivers

NoSQL Database Drivers

Search and Analytic Databases

Date and Time

Distributed Systems

Dynamic DNS

Email

Embeddable Scripting Languages

Error Handling

File Handling

Financial

Forms

Functional

Game Development

Generators

Geographic

Go Compilers

Goroutines

GUI

Hardware

Images

IoT (Internet of Things)

Job Scheduler

JSON

Logging

Machine Learning

Messaging

Microsoft Office

Microsoft Excel

Miscellaneous

Dependency Injection

Project Layout

Strings

Uncategorized

Natural Language Processing

Language Detection

Morphological Analyzers

Slugifiers