Open source game engines

Table of contents

• C
• C#
• C++
• Common Lisp
• Go
• Java
• JavaScript
• Lua
• Pascal
• Python
• Rust

C

• raylib - A simple and easy-to-use library to enjoy videogames programming. [source]

• SGDK - A free development kit allowing development of software in C language for the Sega Mega Drive. [source]

• Simple DirectMedia Layer - a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware. [source]

• Xash3D FWGS Engine - Xash3D FWGS is a game engine, aimed to provide compatibility with Half-Life Engine and extend it, as well as to give game developers well known workflow. [source]

C#

• MonoGame - One framework for creating powerful cross-platform games. [source]

• Murder- A pixel art ECS game engine. [source]

• Stride - Free, open-source, cross-platform. [source]

C++

• Cafu - A game and graphics engine for multiplayer, cross-platform, real-time 3D action. [source]

• Cocos2d-x - Open-source, flexible, and lightweight 2D game engine. [source]

• FIFE - A free, open-source cross-platform game engine. [source]

• Godot - A free, all-in-one, cross-platform game engine that makes it easy for you to create 2D and 3D games. [source]

• Irrlicht - An open source realtime 3D engine. [source]

• Minetest - An open source voxel game engine. [source]

• Nebula - An open-source and free-to-use modern C++ game engine. [source]

• O3DE - The open source, real-time 3D engine. [source]

• Ogre - One of the most popular open-source graphics rendering engines. [source]

• SFML - A simple interface to the various components of your PC, to ease the development of games and multimedia applications. [source]

• Serious Engine v.1.10 [source]

• Solarus - A lightweight, multiplatform, free and open-source 2D game engine. [engine]

• Spring - A free RTS game engine. [source]

• Torque - A completely free, open-source, game engin. [source]

Common Lisp

• Trial - A game engine written in Common Lisp. [source]

Go

• Ebitengine - A dead simple 2D game engine for Go. [source]

Java

• libJDX - A cross-platform Java game development framework. [source]

JavaScript

• Phaser - A fast, free and fun open source framework for Canvas ans WebGL powered browser games. [source]

• Three.js - An easy-to-use, lightweight, cross-browser, general-purpose 3D library. [source]

Lua

• LÖVE - An awesome framework you can use to make 2D games in Lua. [source]

Pascal

• Castle Game Engine - Cross-platform (desktop, mobile, console) 3D and 2D game engine. [source]

Python

• Pygame - A free and open-source cross-platform library for the development of multimedia applications like video games using Python. [source]

• Pyxel - A retro game engine for Python. [source]

Rust

• Amethyst - Data-driven game engine written in Rust. [source]

• Bevy - A refreshingly simple data-driven game engine built in Rust. [source]

• Fyrox - 3D and 2D game engine written in Rust. [source]

• Macroquad - Simple and easy to use game library for Rust programming language. [source]