The open source mesh processing system
LDraw™ editor for LEGO® style digital building instructions.
Open Source Solid Modeling CAD
An interactive viewer for three-dimensional chemical structures.
Interactive 3D Layout Viewer for GDSII
A project that has moved to GitHub
3D Without Boundaries
Scanning Probe Microscopy Controller and Data Visualization Software
3D Software Renderer in 700 Lines
Coin3D Qt GUI Library
Gphoton in a simple 3d modeler and ray tracer.
Sorry this project is no longer being supported
A processing system for 3D triangular meshes
PHIGS (Programmer's Hierarchical Interactive Graphics System)