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