Dust3D is a cross-platform open-source 3D modeling software
A standalone, large scale, open project for 2D/3D image processing
Open-Source Shoemaking
A language for making art using mathematics
Design your own pottery for 3D printing in full color
Electromagnetic Analysis Software
Fix STL files for 3D printing
A C++ Tool for the Fast Prototyping of Topological Data Structures
3D Contents Moding Tool
A microscopic pedestrian crowd simulation system and library
Cuts 3D objects from polystyrene foam (EPS/XPS)
(Moved to http://code.google.com/p/igb/)