A Cross Platform and Open Source Electronics Design Automation Suite
Open-Source Shoemaking
a parametric 3D CAD modeler
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Free and open source pattern design software
Software for electromagnetic simulation
An EnergyPlus shell for parametric studies and more ...
Open source Matlab code for nonlinear isogeometric analysis
OpenNum lets you distribute solvers with a nice graphical interface
Dedicated to computer-aided engineering Linux distribution
Parallel finite element analysis
An Open source Analysis and SImulation Toolbox for Fuel Cells