Free and open source pattern design software
a parametric 3D CAD modeler
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
LibrePLM integrates CAD editors in Odoo / LibrERP
3D/2D Concrete Reinforcement in Bentley MicroStation
Cross-platform Open-source 2D CAD
Free 3D Mobile CAD
Application Integration for HPC Multiphysics
A package for Isogeometric Analysis in Octave and Matlab