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Free and open source pattern design software
conducteö - logiciel de calcul des ponts thermiques linéiques
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
Traveling Salesman Problem (TSP) Solver
A Cross Platform and Open Source Electronics Design Automation Suite
Cross-platform Open-source 2D CAD
Free 3D Mobile CAD
Linux tiny CAD for educational purposes
Open DXFs with QCad
Free multiphysics simulation software package
A package for Isogeometric Analysis in Octave and Matlab
Cuts 3D objects from polystyrene foam (EPS/XPS)
Open Source CAD