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