OpenGL shell and horn generator
SOLVESPACE is a free (GPLv3) parametric 3d CAD tool.
A language for making art using mathematics
NETGEN is an automatic 3d tetrahedral mesh generator
Go 3D Game Engine
3D Procedural Modelling and Procedural Texturing Tool in OpenGL/C++
Voxel-based Finite Element Analysis for Biomechanical Applications
Geometric kernel for CAD programs using an atomic approach
Open Source Solid Modeling CAD
Geometry processing library for Python
Free 3D Mobile CAD
Video mixer for mixing live and recorded video and audio feeds
CSG for jMonkey
Hui or Pascal's Triangle into shaped Geometry, 3D
Highly accurate ray-tracing software system for UNIX computers
GUI for MOPAC, DFTB+, GAMESS, Firefly, NWChem, ORCA and PSI4
Program for drawing 3D surfaces from parametric equations
COmputational fluid dyNamics STRUctured grid CreaTor for 2D airfoils
Fix STL files for 3D printing
3D drape simulation engine using particle based method
The Filmakademie Application Framework