Multi Theft Auto is a game engine
Desktop/Android/HTML5/iOS Java game development framework
A lightweight game server framework implemented with Actor Model
Community effort to maintain and improve Jedi Academy (SP & MP)
Orx: Portable Game Engine
Mini game engine for games104
A simulator for drones, cars and more, built on Unreal Engine
Easy fine console input/output for java
Measuring and managing laptimes at kart-slalom races
Karel - 3D language interpreter
scriptable game engine with built-in support for 2D graphics and sound
3D video music media player lyrics subtitles etc...
Fast and robust map analyser for Brood War.
Realtime 3D engine for game development
Bot for id Software's Wolfenstein 3D
2D ARPG Engine
Highly portable Gameboy Color emulator
Reenactment of the classic Atari 2600 game
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
DirectX 1-11 to OpenGL wrapper
Cross-platform C framework very compact libraries and tools.