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Open Source COMSOL Multiphysics Alternatives

The best open source alternative to COMSOL Multiphysics is FreeCAD. If that doesn't suit you, our users have ranked more than 50 alternatives to COMSOL Multiphysics and 19 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to COMSOL Multiphysics are Elmer, OpenModelica, Xcos and OpenFOAM.

COMSOL Multiphysics alternatives are mainly CAD Software but may also be 3D Modelers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of COMSOL Multiphysics.
This page was last updated Oct 25, 2021
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COMSOL Multiphysics is an engineering, design, and finite element analysis software environment for the modeling and...

Learn more about COMSOL Multiphysics

  1. FreeCAD is a general purpose parametric 3D CAD modeler. The development is completely Open Source (LGPL License).

    FreeCAD vs COMSOL Multiphysics opinions
    This alternative is disputed. FreeCAD is still a legitimate alternative to COMSOL Multiphysics, but it might have issues that some users think are important.

    To simplify : FreeCAD is a drawing software whereas Comsol is a simulation software. Completely different functions.

    Top negative comment  8 months ago
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    It is a modelling tool not a multiphysics tool.

    Negative comment 9 months ago
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    FreeCAD is a 3D design program, whereas COMSOL is a finite element analysis tool, directed to wards Physics problems. If one is a horse, the other is an eagle.

    Negative comment 11 months ago
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    FreeCAD is a cad software. not multiphysics

    Negative comment over 1 year ago
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    2

    COMSOL is physics modelling tool while FreeCAD is a CAD software

    Negative comment over 2 years ago
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  2. Elmer

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Elmer is an open source multiphysical simulation software mainly developed by CSC - IT Center for Science (CSC). Elmer development was started 1995 in collaboration with Finnish Universities, research institutes and industry.

    Most users think Elmer is a great alternative to COMSOL Multiphysics.


  3. OpenModelica

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    OpenModelica – A Free Modelica Environment!.

  4. Xcos

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Xcos is a graphical editor to design hybrid dynamical systems models. Models can be designed, loaded, saved, compiled and simulated.

  5. OpenFOAM

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    OpenFOAM is the leading free, open source software for CFD, owned by the OpenFOAM Foundation and distributed exclusively under the General Public Licence (GPL).



  6. KRATOS Multiphysics

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Kratos Multiphysics (A.K.A Kratos) is a framework for building parallel multi-disciplinary simulation software. Modularity, extensibility and HPC are the main objectives. Kratos has BSD license and is written in C++ with extensive Python interface.

  7. FEATFLOW

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    The program package FEATFLOW is both a user oriented as well as a general purpose subroutine system for the numerical solution of the incompressible Navier-Stokes equations in two and three space dimensions.

  8. Code_Aster for Windows

    • FreeOpen Source
    • Windows

    Code_Aster is a free software for numerical simulation in structural mechanics. It is a general software for simulation in mechanics and calculation of structures.

  9. PyDSTool

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    PyDSTool is a sophisticated & integrated simulation and analysis environment for dynamical systems models of physical systems (ODEs, DAEs, maps, and hybrid systems).

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  10. Calculix

    • FreeOpen Source
    • Windows
    • Linux

    Calculix is a free and open-source finite-element analysis application that uses an input format similar to Abaqus. It has an implicit and explicit solver written by Guido Dhondt and a pre- and post-processor written by Klaus Wittig.

Showing 10 of 19 alternatives