Cross Platform GUI Toolkit
Experimental 3D media playback framework and demo applications
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
.NET wrapper for the Irrlicht Engine
Multimedia asset management and manipulator for Étoilé
Pear3DEngine is a modern and modular 3D development framework
Minimalist 3D Scenegraph Management Framework
Photo browser with impressive 3D effects, slide effects and animations
PixelLight is a cross-platform application framework