OpenFOAM
Simulation (FEA & CFD)Free, open-source computational fluid dynamics toolbox
- Stars
- ★ 2.3k
- Licence
- GPL-3.0
- Updated
Alternative to ANSYS
ParaView
Open-source data analysis and visualisation for simulation results
★ Stars1.7k1,711 on GitHub
Last commit18 Oct 2026
LicenceBSD-3-ClauseSPDX, from the repository
View on GitHub ↗
From GitHub, fetched 19 Oct 2026.
ParaView from Kitware visualises large simulation and scientific datasets, from CFD and FEA results to point clouds, with Python scripting and parallel rendering.
Free alternative to
In collections
Related tools
E
Elmer FEM
Simulation (FEA & CFD)Open-source multiphysics simulation software
- Stars
- ★ 1.7k
- Licence
- GPL-2.0
- Updated
Alternative to COMSOL
Gmsh
Simulation (FEA & CFD)3D finite-element mesh generator with a built-in CAD engine
- Stars
- ★ 125
- Licence
- GPL-2.0+
- Updated
Alternative to ANSYS
C
code_aster
Simulation (FEA & CFD)Structural and thermomechanical FEA solver developed by EDF
- Stars
- ★ 32
- Licence
- GPL-3.0
- Updated
C
CalculiX
Simulation (FEA & CFD)Free three-dimensional structural finite-element program
- Licence
- GPL-2.0
- Status
- Open source
SALOME
Simulation (FEA & CFD)Open-source platform for simulation pre- and post-processing
- Licence
- LGPL-2.1
- Updated
Alternative to ANSYS