Free and open source pattern design software
a parametric 3D CAD modeler
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
LibrePLM integrates CAD editors in Odoo / LibrERP
A Full PLM system based on odoo
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
Application Integration for HPC Multiphysics
An Open source Analysis and SImulation Toolbox for Fuel Cells