A minimalist and cross platform System Shock source port
Universal binary serializer for a wide variety of scenarios
UI Kit for the Phaser game engine
Map Generation Application and API
scriptable game engine with built-in support for 2D graphics and sound
Simulation tool for the casino game Roulette
A JavaScript game library to quickly develop board games for the web
A web-friendly way for anyone to build unusual displays
Highly portable Gameboy Color emulator
3D .NET engine for Windows, Linux, Mac
Lightweight framework for old-school RPG GUI in web!
Make robots for MediaWiki-powered sites!
Create units and attacks for Wesnoth!
Cross-platform C framework very compact libraries and tools.
C++ Framework for slot machine games
The Flixel Power Tools are a set of plug-ins for Flixel 2.5+
Simple C++ library for path manipulation
StarlingPunk is a framework built on top the Starling library
Programming Game, A Practice Tool for Building Intelligent Things