An open source harness for generating CAD models
Virtual Satellite
Free and open source pattern design software
Free, open source parametric CAD
An EnergyPlus shell for parametric studies and more ...
Dedicated to computer-aided engineering Linux distribution
An Open source Analysis and SImulation Toolbox for Fuel Cells
ALST is a CAD for all imaginable logic systems (binary, ternary, etc)
Gesture based movement with CATIA