The programmer's solid 3D CAD modeller
3D modeler, 3D game maker, 3D demo maker
LDraw™ editor for LEGO® style digital building instructions.
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Design your own pottery for 3D printing in full color
Open-Source Shoemaking
3D Contents Moding Tool
CNC machine code generation for 3D models
Editor of virtual worlds.
Simplified 3D Model Editor, Suitable For Beginners
Hashing and spatial concurrency library.
Cuts 3D objects from polystyrene foam (EPS/XPS)
A serial robot kinematics library