CADAM is the open source text-to-CAD web application
a parametric 3D CAD modeler
Free and open source pattern design software
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
A Cross Platform and Open Source Electronics Design Automation Suite
conducteö - logiciel de calcul des ponts thermiques linéiques
RHT-LA : Applicatif Tracé Ligne Aérienne HT
A Full PLM system based on odoo
An EnergyPlus shell for parametric studies and more ...
Simple Road Design and Earthworks
CAD Application entire developed in Python
PyAMS (Python for Analog and Mixed Signals) CAD approach
LibrePLM integrates CAD editors in Odoo / LibrERP
very good CAD software
3D/2D Concrete Reinforcement in Bentley MicroStation
Open-Source Shoemaking
GDSread reads and converts Calma GDS stream files .
A math-inspired CAD program in haskell. CSG, bevels, and shells
Software for electromagnetic simulation
Cross-platform Open-source 2D CAD