Model Railway CAD program
Draw vector graphics to scale using a descriptive language
2D CAD software
SOLVESPACE is a free (GPLv3) parametric 3d CAD tool.
CAD application for Technical Drawing exercises
OpenNum lets you distribute solvers with a nice graphical interface
The full-featured, easy-to-use desktop GIS with real processing power!
bitmap to vectorized graphics manual converter
Gphoton in a simple 3d modeler and ray tracer.
A CAD/CAM Package for CNC GCode Creation
Pattern making software for the fashion industry.
dedalo is a 2d cad drawing software written in python3.
Open Source CAD