3D engine with modern graphics
Console-based GLSL Sandbox for 2D/3D shaders shaders
a parametric 3D CAD modeler
The programmer's solid 3D CAD modeller
HARFANG 3D source code public repository
Dust3D is a cross-platform open-source 3D modeling software
3D Procedural Modelling and Procedural Texturing Tool in OpenGL/C++
Design your own pottery for 3D printing in full color
3D representations of flowers, flower elements, bouquets or meadows
Fix STL files for 3D printing
It's a direct manipulation parametric curve modeler.
A microscopic pedestrian crowd simulation system and library
Gimpel3D - 2D/3D Stereo Conversion Editor
Simplified 3D Model Editor, Suitable For Beginners