Best Open Source game development Libraries

#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

#4phaserjs/phaser

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

#5raysan5/raylib

A simple and easy-to-use library to enjoy videogames programming

#6emilk/egui

egui: an easy-to-use immediate mode GUI in Rust that runs on both web and native

#7BabylonJS/Babylon.js

Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.

#8libgdx/libgdx

Desktop/Android/HTML5/iOS Java game development framework

#9lettier/3d-game-shaders-for-beginners

🎮 A step-by-step guide to implementing SSAO, depth of field, lighting, normal mapping, and more for your 3D game.

#10cocos2d/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.

#11aframevr/aframe

:a: Web framework for building virtual reality experiences.

#12kitao/pyxel

A retro game engine for Python

#13ellisonleao/magictools

:video_game: :pencil: A list of Game Development resources to make magic happen.

#14QianMo/Game-Programmer-Study-Notes

:anchor: 我的游戏程序员生涯的读书笔记合辑。你可以把它看作一个加强版的Blog。涉及图形学、实时渲染、编程实践、GPU编程、设计模式、软件工程等内容。Keep Reading , Keep Writing , Keep Coding.

#15jrouwe/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.

#16godotengine/awesome-godot

A curated list of free/libre plugins, scripts and add-ons for Godot

#17cocos/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.

#18ValveSoftware/GameNetworkingSockets

Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.

#19Orama-Interactive/Pixelorama

Unleash your creativity with Pixelorama, a powerful and accessible open-source pixel art multitool. Whether you want to create sprites, tiles, animations, or just express yourself in the language of pixel art, this software will realize your pixel-perfect dreams with a vast toolbox of features. Available on Windows, Linux, macOS and the Web!

#20o3de/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.

#21FyroxEngine/Fyrox

3D and 2D game engine written in Rust

#22jynew/jynew

JinYongLegend-like RPG Game Framework with full Modding support and 10+ hours playable samples of game.

#23pygame/pygame

🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, OpenGL.

#24dotnet/Silk.NET

The high-speed OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, WebGPU, and DirectX bindings library your mother warned you about.

#25ultralight-ux/Ultralight

Lightweight, high-performance HTML renderer for game and app developers.

#26Nukem9/dlssg-to-fsr3

Adds AMD FSR 3 Frame Generation to games by replacing Nvidia DLSS Frame Generation (nvngx_dlssg).

#27Kavex/GameDev-Resources

:video_game: :game_die: A wonderful list of Game Development resources.

#28AlmasB/FXGL

Java / JavaFX / Kotlin Game Library (Engine)

#29YarnSpinnerTool/YarnSpinner

The core compiler and engine-agnostic components for Yarn Spinner, the friendly dialogue tool.

#30sideeffects/SideFXLabs

#31GaijinEntertainment/daScript

daslang - high-performance statically strong typed scripting language

#32hackclub/sprig

🍃 Learn to code by making games in a JavaScript web-based game editor.