Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
A simple and easy-to-use library to enjoy videogames programming
Gideros Release version
Orx: Portable Game Engine
Game engine supporting many 3D/2D formats and graphic effects
3D .NET engine for Windows, Linux, Mac
Open Game Bootstrap
Cross-platform C framework very compact libraries and tools.
cross-platform 2d game engine
Cross-platform 2D game engine
Read and write PGN format and test moves for legality.
The next generation mud is an open-source extensible, programmable mud