Blockbench - A low poly 3D model editor
A python parametric CAD scripting framework based on OCCT
Blender addons to make the bridge between Blender and geographic data
Dust3D is a cross-platform open-source 3D modeling software
An open-source JavaScript library for world-class 3D globes and maps
A python module for scientific analysis of 3D data
X3D is the open-standard format for 3D graphics scenes on the Web.
3D computer models hosted here, in usually .3ds format
The programmer's solid 3D CAD modeller
A language for making art using mathematics
Free 3D Mobile CAD
3D rendering and scene graph library (moved to GitHub)