RetroArch is a frontend for emulators, game engines and media players.
A cross-platform PSP emulator
A Minecraft Java Edition Launcher for Android and iOS
An open-source sandbox tower defense game
Open source cross-platform multi-purpose game toolkit
Sandbox video game with a powerful physics engine
Stream switch games to your PC via USB or network
The game engine for everyone
UCI chess engine
Voxel game-creation platform with easy modding and game creation
Home theater software and entertainment hub for digital media
An open source reimplementation of the Among Us Server
Mobile app for creating and maintaining long-term positive habits
A habit tracker app which treats your goals like a Role Playing Game
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Do virtual gear shifting (and more) in any rider app
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
New Godot bindings for Swift
Open source library for creative expression on the web, desktop, etc.
SDL library for Android, including several games.
A MUD client for Android, iOS, Linux, Mac OS X and Windows
3D Engine c++
GemRB is a portable open-source implementation of the Infinity Engine
INSTEAD - Simple Text Adventure Interpreter.
Your collection, your way