CADAM is the open source text-to-CAD web application
a parametric 3D CAD modeler
A Cross Platform and Open Source Electronics Design Automation Suite
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
Free cad viewer for 3d drawings in different formats
Free 3D Mobile CAD
3D CAM program for CNC mills/lathes
Cuts 3D objects from polystyrene foam (EPS/XPS)