OpenFOAM
Simulation (FEA & CFD)Free, open-source computational fluid dynamics toolbox
- Stars
- ★ 2.3k
- Licence
- GPL-3.0
- Updated
- Commercial OK
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.
Fit: files and licence
| Runs on | Windows, macOS, Linux |
|---|---|
| Commercial use | Allowed Open-source licence (BSD-3-Clause): the Open Source Definition rules out restrictions on fields of use, including business use. |
Sources: opensource.org/osd. “Runs on” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.
Free alternative to
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