Free and open source pattern design software
Open-Source Shoemaking
Cross-platform Open-source 2D CAD
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
Free multiphysics simulation software package
An Open source Analysis and SImulation Toolbox for Fuel Cells
library to read dwg & read/write dxf files
A package for Isogeometric Analysis in Octave and Matlab
Cuts 3D objects from polystyrene foam (EPS/XPS)