FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
The FAS plugin for the upcoming systems modeling standard SysML v2
Python script for calculation of deflection of elastic ropes.
OpenNum lets you distribute solvers with a nice graphical interface
A designer’s program for describing parts of the building
Simple CAD program
2D Frame Analysis, Linear Static Analysis, Mode Shapes