elmer - Elmer is an open-source software package that solves partial differential equations. Combined with its ability to run various equations in parallel, it is an effective tool for running multiphysical simulations. Read more about elmer.
OpenFOAM - OpenFOAM® - Official home of The Open Source Computational Fluid Dynamics (CFD) Toolbox.
SimFlow - SimFlow is a powerful CFD software, focused on engineering and science.
ANSYS Fluent - ANSYS engineering simulation and 3D design software delivers product modeling solutions with unmatched scalability and a comprehensive multiphysics foundation.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Calculix - Calculix is a free and open-source finite-element analysis application that uses an input format...