Free alternatives to COMSOL

Commercial multiphysics simulation software. Here is 1 free option, most popular first.

Elmer FEM

Simulation (FEA & CFD)

Open-source multiphysics simulation software

Stars: ★ 1.7k
Licence: GPL-2.0
Updated: yesterday

Alternative to COMSOL

Check file compatibility before switching. Free tools import STEP, DXF and other neutral formats well, but native SolidWorks, Altium or Revit files, drawing standards and PDM workflows may not carry over cleanly.