Open source cross-platform multi-purpose game toolkit
A certain block game
A cross-platform PSP emulator
4 players Breakout game
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
An iOS & tvOS Frontend for Multiple Emulators
RetroArch is a frontend for emulators, game engines and media players.
The game engine for everyone
Multi-platform 2D and 3D game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open source library for creative expression on the web, desktop, etc.
New Godot bindings for Swift
A MUD client for Android, iOS, Linux, Mac OS X and Windows
quiz game with spin wheel
Turn your phone into a wireless Xbox controller via any web browser.
GEDKeeper - opensource and crossplatform genealogy management program
3D Engine c++
Your collection, your way
Android, UIQ 3.0, Series 60 Edition 5 open-source software
GemRB is a portable open-source implementation of the Infinity Engine
Virtual Las Vegas casino experience with slot machines and other games
INSTEAD - Simple Text Adventure Interpreter.
JavaScript framework to build game engines, games, emulators and apps