Best Open Source game engine Libraries
A curated list of the most popular GitHub repositories tagged with game engine. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1godotengine/godot
Godot Engine – Multi-platform 2D and 3D game engine
#2ocornut/imgui
Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
#3bevyengine/bevy
A refreshingly simple data-driven game engine built in Rust
#4raysan5/raylib
A simple and easy-to-use library to enjoy videogames programming
#5BabylonJS/Babylon.js
Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.
#6libgdx/libgdx
Desktop/Android/HTML5/iOS Java game development framework
#7cocos2d/cocos2d-x
Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.
#8aframevr/aframe
:a: Web framework for building virtual reality experiences.
#9kitao/pyxel
A retro game engine for Python
#10OpenRA/OpenRA
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
#11ellisonleao/magictools
:video_game: :pencil: A list of Game Development resources to make magic happen.
#12jrouwe/JoltPhysics
A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.
#13egametang/ET
Unity3D Client And C# Server Framework
#14cocos/cocos-engine
Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Empowering millions of developers to create high-performance, engaging 2D/3D games and instant web entertainment.
#15o3de/o3de
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
#16FyroxEngine/Fyrox
3D and 2D game engine written in Rust
#17defold/defold
Defold is a completely free to use game engine for development of desktop, mobile and web games.
#18Kavex/GameDev-Resources
:video_game: :game_die: A wonderful list of Game Development resources.
#19AlmasB/FXGL
Java / JavaFX / Kotlin Game Library (Engine)
#20fegennari/3DWorld
3D Procedural Game Engine Using OpenGL
#21markusmoenig/Eldiron
Create cross-platform classic RPGs in 2D and 3D with powerful built-in world editing tools.
#22apistol78/traktor
Traktor Game Engine
#23phase-rs/phase
A Magic: The Gathering rules engine and game client — Rust + WASM + React