Game engine supporting many 3D/2D formats and graphic effects
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
3D .NET engine for Windows, Linux, Mac
Flexible and easy-to-use 2d game engine
Multimedia asset management and manipulator for Étoilé
An open source skateboard games engine written in C# and .NET.
Pear3DEngine is a modern and modular 3D development framework
An extensible development framework for roleplay games.
The Lambda-Engine is a cross platform game engine.