An open source harness for generating CAD models
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Free and open source pattern design software
A Cross Platform and Open Source Electronics Design Automation Suite
a parametric 3D CAD modeler
conducteö - logiciel de calcul des ponts thermiques linéiques
Virtual Satellite
CAD Application entire developed in Python
A Full PLM system based on odoo
An EnergyPlus shell for parametric studies and more ...
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
3D/2D Concrete Reinforcement in Bentley MicroStation
LibrePLM integrates CAD editors in Odoo / LibrERP
Open-Source Shoemaking
Simple Road Design and Earthworks
Solve Alignment of Road , Rail,Tunnel
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
GDSread reads and converts Calma GDS stream files .
Software for electromagnetic simulation
Cross-platform Open-source 2D CAD