Blockbench - A low poly 3D model editor
The open source mesh processing system
An interior design application to draw house plans & arrange furniture
Open Source Solid Modeling CAD
3D modeler, 3D game maker, 3D demo maker
X3D is the open-standard format for 3D graphics scenes on the Web.
3D slider puzzles for kids; helps teach solid geometry
Xj3D is an open-source Java codebase for the X3D Graphics standard.
Java3d scenegraph editor
The programmer's solid 3D CAD modeller
HARFANG 3D source code public repository
Growth-grammar related Interactive Modelling Platform
Converts between many 3D data formats
Fix STL files for 3D printing
Virtual paper folding program
A processing system for 3D triangular meshes
Maxwell Render for Blender