Cross-platform Open-source 2D CAD
a parametric 3D CAD modeler
Static and Dynamic Structural Analysis of 2D and 3D frames.
An EnergyPlus shell for parametric studies and more ...
Software for electromagnetic simulation
A canvas library for generating technical drawings
OpenNum lets you distribute solvers with a nice graphical interface
Precise gear geometry generator for spur and helical gears
Linux tiny CAD for educational purposes
COPanno optimizes the panels cuts.
Free multiphysics simulation software package
An Open source Analysis and SImulation Toolbox for Fuel Cells
A designer’s program for describing parts of the building
library to read dwg & read/write dxf files
A package for Isogeometric Analysis in Octave and Matlab
walterbot: Virtual presence device www controlled with a raspberrypy