Godot is a powerful cross-platform game engine
A Minecraft Java Edition Launcher for Android and iOS
Open source HTML5 game framework that offers WebGL and Canvas
RetroArch is a frontend for emulators, game engines and media players.
A simple and easy-to-use library to enjoy videogames programming
Xash3D FWGS engine
UCI chess engine
Desktop/Android/HTML5/iOS Java game development framework
An open source reimplementation of the Among Us Server
One framework for creating powerful cross-platform games
Do virtual gear shifting (and more) in any rider app
The source code to VVVVVV
The game engine for everyone
Netcode that provides networking capabilities to GameObject workflows
Home theater software and entertainment hub for digital media
A habit tracker app which treats your goals like a Role Playing Game
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Mobile app for creating and maintaining long-term positive habits
Multi-platform 2D and 3D game engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
A dead simple 2D game engine for Go
Cocos simplifies game creation and distribution with Cocos Creator
New Godot bindings for Swift
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Open source library for creative expression on the web, desktop, etc.