Spoke POV is a electronic kit toy that customize your bicycle wheel.
Bishop3D is a POV-Ray modeler and animation system.
University of Florida
MolPOV is a graphics file converter that reads Brookhaven Protein Data files.
McNeel & Associates
Rhinoceros is a powerful program that allows you to create complex models.
Surface Explorer 3D is a program that plots mathematical surfaces in 3D.
Draw3D is a freeware 3D modeller, for creating or modifying 3D objects.