An open source harness for generating CAD models
A CAD application for creating virtual LEGO models
CADAM is the open source text-to-CAD web application
a parametric 3D CAD modeler
Free and open source pattern design software
Virtual Satellite
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
conducteö - logiciel de calcul des ponts thermiques linéiques
A Full PLM system based on odoo
Free, open source parametric CAD
Simple Road Design and Earthworks
CAD Application entire developed in Python
DSpice: Design and Simulation of Circuits using Spice
RHT-LA : Applicatif Tracé Ligne Aérienne HT
LibrePLM integrates CAD editors in Odoo / LibrERP
Free software for maps
The CompassCAD you know and love, just better.
very good CAD software
PyAMS (Python for Analog and Mixed Signals) CAD approach
Solve Alignment of Road , Rail,Tunnel
An EnergyPlus shell for parametric studies and more ...