RetroArch is a frontend for emulators, game engines and media players.
A cross-platform PSP emulator
The game engine for everyone
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
New Godot bindings for Swift
Open source library for creative expression on the web, desktop, etc.
3D Engine c++
99 Nights in the Forest Script - Bring All, Auto Win, Auto Kill.
A MUD client for Android, iOS, Linux, Mac OS X and Windows
GemRB is a portable open-source implementation of the Infinity Engine
INSTEAD - Simple Text Adventure Interpreter.
Virtual Las Vegas casino experience with slot machines and other games
Platform independent browser based Str8ts solver
Platform independent browser based Sudoku solver
quiz game with spin wheel
Urho3D Game engine
The forever free, adless and open source chess server
Play Sudoku on your Mobile and Windows
ZED OS the clone of Windows XP
2D Game Engine
MAME Android Emulator.
Character animation system for games and simulations.
Buwlink is a remote control for Windows with your Android device.