CADCraft: computer-aided design and drafting
Industrial design files for Keychron keyboards and mice
A python parametric CAD scripting framework based on OCCT
An open source harness for generating CAD models
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
StairSmith is a free online staircase designer with IFC and DXF export
Free, open-source storm sewer design: Rational, Manning, HGL, HEC-22
CAM software for punch press machines (CNC punching)
Draw vector graphics to scale using a descriptive language
OpenGL Quad-Edge geodesic construction program
The CompassCAD you know and love, just better.
Open Source Desktop GIS with Surveying and Cartography Functionality
Synchronous Reluctance (machines) - evolution
Linear static structural analysis of 2D / plane frame and truss
Simple Road Design and Earthworks
A 2D CAD application for civil engineering , built with Free Pascal
Toolkit for working with and mapping geospatial data
CAD Application entire developed in Python
French Geographic Information System
A set of freeware applications for viewing/processing P-CAD files.