An open source harness for generating CAD models
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Free, open-source storm sewer design: Rational, Manning, HGL, HEC-22
CAD Application entire developed in Python
The CompassCAD you know and love, just better.
A 2D CAD application for civil engineering , built with Free Pascal
Cross-platform Open-source 2D CAD
Open DXFs with QCad
library to read dwg & read/write dxf files
Drawing robot for electrical interconnection diagrams in DXF.