Build cross-platform desktop apps with JavaScript, HTML, and CSS

Godot Engine – Multi-platform 2D and 3D game engine

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.…

Official mirror of Blender

Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

Flexible level editor

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

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 wit…

Box2D is a 2D physics engine for games

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 gam…

LÖVE is an awesome 2D game framework for Lua.

OpenToonz - An open-source full-featured 2D animation creation software

Direct port of the Bullet physics engine to JavaScript using Emscripten

Defold is a completely free to use game engine for development of desktop, mobile and web games.

NVIDIA PhysX SDK

Solar2D Game Engine main repository (ex Corona SDK)

NVIDIA PhysX SDK

This is the Official source code repository of the Synfig project

Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations. Pencil2D is open source and cross-platform.

BananaBread is a C++ 3D game engine that runs on the web using JavaScript+WebGL+HTML

Axmol Engine – A Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games. (A fork of Cocos2d-x-4.0)

Downstream repo for Rive renderer