Open source library for creative expression on the web, desktop, etc.
One framework for creating powerful cross-platform games
Desktop/Android/HTML5/iOS Java game development framework
Cinema Enters Game Console
Cross-platform 2D and 3D game engine
Asphyre is a cross-platform framework for Delphi and FreePascal.
3D .NET engine for Windows, Linux, Mac
Open-source, cross-platform, C++ game engine for creating 2D/3D games
A cross-platform OpenGL based lightweight scenegraph library