a parametric 3D CAD modeler
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
Geometric kernel for CAD programs using an atomic approach
Free 3D Mobile CAD
Precise gear geometry generator for spur and helical gears
3D CAM program for CNC mills/lathes
NURBS-based elastic and limit analysis of masonry arches in MATLAB
3D modeling tool based on the NURBS surfaces