The programmer's solid 3D CAD modeller
Growth-grammar related Interactive Modelling Platform
shape tools for geometric modelling
3D Procedural Modelling and Procedural Texturing Tool in OpenGL/C++
A language for making art using mathematics
3D Architecture modelling and physics simulation system
Rendering of 2D and 3D Celtic Knots
Open source 3D modeling software
domes, vaults and eggs - program to create 3D models and plans