Egret is a brand new open mobile game and application engine
2D physics engine for games
Visual Novel engine, editor and game development.
Open Source Blog and CMS Management
The solution to all your problems
An Open Engine for use on the OUYA
A free open source Android version of Caravan
Pye - Javascript Engine For Drawing Fast, Fluid and Dynamic Pie Charts
C-Lesh is a game programming language for 2D games.
NinYawg Adventure
An Action Adventure Space Physics Game
cross-platform 2d game engine
LEGADEE (LEarning GAme DEsign Environment)
Cross-Platform Mobile Messaging Application
DRINKS is a set of smart web-based widgets.
Cross-platform 2D game engine