Atlarius is no longer under development.
a game library to develop audio games
AutoTeach makes kids study and learn in exchange for internet access.
A truly extensible cross-platform game engine
An HTML web game platform
Game framework on top of Python, Panda3D and Twisted
Free strategy browsergame engine.
A cross-platform Java 2D graphics library using OpenGL.
A cross platform 3d c++ game engine
Card, board & tiles making Software
8-bit Graphical API for Java
also download updates from files section
C-Lesh is a game programming language for 2D games.
Portable game engine with main focus on point-and-click adventures
A game engine written in the D programming language