Free and open source pattern design software
a parametric 3D CAD modeler
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
An EnergyPlus shell for parametric studies and more ...
Cross-platform Open-source 2D CAD
Free 3D Mobile CAD
Application Integration for HPC Multiphysics
Simple CAD program
Testsuite for libdwg
library to read dwg & read/write dxf files
A package for Isogeometric Analysis in Octave and Matlab
walterbot: Virtual presence device www controlled with a raspberrypy