Decorators/view-models for Rails applications
3D Engine with Blender Integration
Console-based GLSL Sandbox for 2D/3D shaders shaders
A language for making art using mathematics
Converts between many 3D data formats
A C++ Tool for the Fast Prototyping of Topological Data Structures
A Ruby script to export Google SketchUp scenes as Ogre 3D meshes
A C++ library to easily create GUI-editable objects