Godot is a powerful cross-platform game engine
A simple and easy-to-use library to enjoy videogames programming
An open-source sandbox tower defense game
A certain block game
UCI chess engine
A cross-platform PSP emulator
Voxel game-creation platform with easy modding and game creation
Stream switch games to your PC via USB or network
Xash3D FWGS engine
Turn-based survival game set in a post-apocalyptic world.
Sandbox video game with a powerful physics engine
RetroArch is a frontend for emulators, game engines and media players.
Open-source Android/Desktop remake of Civ V
Do virtual gear shifting (and more) in any rider app
The game engine for everyone
One framework for creating powerful cross-platform games
Open source voxel game engine with support for survival and crafting
Home theater software and entertainment hub for digital media
Desktop/Android/HTML5/iOS Java game development framework
Open source HTML5 game framework that offers WebGL and Canvas
Free, cross-platform 2D game engine powered by Haxe and OpenFL
An open source reimplementation of the Among Us Server
The source code to VVVVVV
New Godot bindings for Swift
scene-oriented, flexible 3D engine (C++, Python, C#, Java)