Godot is a powerful cross-platform game engine
An open-source sandbox tower defense game
A certain block game
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
Netcode that provides networking capabilities to GameObject workflows
UCI chess engine
An open source reimplementation of the Among Us Server
Desktop/Android/HTML5/iOS Java game development framework
Open source library for creative expression on the web, desktop, etc.
One framework for creating powerful cross-platform games
Do virtual gear shifting (and more) in any rider app
The game engine for everyone
The source code to VVVVVV
Home theater software and entertainment hub for digital media
Free, cross-platform 2D game engine powered by Haxe and OpenFL
New Godot bindings for Swift
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
A dead simple 2D game engine for Go
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Multi-platform 2D and 3D game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cocos simplifies game creation and distribution with Cocos Creator