RetroArch is a frontend for emulators, game engines and media players.
A cross-platform PSP emulator
Godot is a powerful cross-platform game engine
A GUI based Nintendo Switch Bootloader
An open-source sandbox tower defense game
Open source voxel game engine with support for survival and crafting
The game engine for everyone
Mangos ZERO is a server for World of Warcraft
Set of Python modules designed for writing video games
Compatibility tool for Steam Play based on Wine and other components
The Playstation 2 emulator
A certain block game
Atmosphère is a work-in-progress customized firmware for the Nintendo
A Minecraft Launcher which is multi-functional, cross-platform
Stream switch games to your PC via USB or network
Xash3D FWGS engine
A simple and easy-to-use library to enjoy videogames programming
An iOS & tvOS Frontend for Multiple Emulators
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
UCI chess engine
Sandbox video game with a powerful physics engine
One framework for creating powerful cross-platform games
Head tracking app for games and flight simulation software
Desktop/Android/HTML5/iOS Java game development framework
An open source reimplementation of the Among Us Server