CADAM is the open source text-to-CAD web application
a parametric 3D CAD modeler
3D/2D Concrete Reinforcement in Bentley MicroStation
A Full PLM system based on odoo
Editor for Zometool models
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
Free cad viewer for 3d drawings in different formats
Design your own pottery for 3D printing in full color
3D CAM program for CNC mills/lathes
CNC machine code generation for 3D models
Software to analyse 3D and 2D framed structures, also gives matrices
Java software for building a 3D model for FEM Analysis.
Cuts 3D objects from polystyrene foam (EPS/XPS)