Cross-platform Open-source 2D CAD
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
BoltGenerator is an automated CAD tool which produces 3D bolts.
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
Free 3D Mobile CAD
AVR simulator IDE
Open Source Digital Laboratory - CAM module
Cuts 3D objects from polystyrene foam (EPS/XPS)
Open Source CAD