CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
Python script for calculation of deflection of elastic ropes.
Cross-platform Open-source 2D CAD
A designer’s program for describing parts of the building
Cuts 3D objects from polystyrene foam (EPS/XPS)