3D engine with modern graphics
Open Source Solid Modeling CAD
HARFANG 3D source code public repository
3D Procedural Modelling and Procedural Texturing Tool in OpenGL/C++
Design your own pottery for 3D printing in full color
Gimpel3D - 2D/3D Stereo Conversion Editor
Simplified 3D Model Editor, Suitable For Beginners
Cuts 3D objects from polystyrene foam (EPS/XPS)