Best PySWMM Alternatives in 2026
Updated
20 apps from physics simulation software ranked against PySWMM on the same published basis.
- 1PySWMM vs OpenSim
- 2PySWMM vs SimFlow
- 3PySWMM vs FeenoX
- 4PySWMM vs COMSOL Multiphysics
- 5PySWMM vs Xcos
- 6PySWMM vs FEST-3D
- 7PySWMM vs myPhysicsLab
- 8PySWMM vs Open Source Physics
- 9PySWMM vs FDTDX
- 10PySWMM vs DynamicalSystems.jl
- 11PySWMM vs SimScale
- 12PySWMM vs Ansys Fluent
- 13PySWMM vs OpenFOAM
- 14PySWMM vs FEATool Multiphysics
- 15PySWMM vs Step
- 16PySWMM vs ASCEND
- 17PySWMM vs ngspice
- 18PySWMM vs GNU FisicaLab
- 19PySWMM vs PhysSandbox
- 20PySWMM vs 3JCN Physics Simulation
PySWMM alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | OpenSim | 9.1 | Free plan | Free | API, Linux, Mac, Windows |
| 2 | SimFlow | 9.1 | Free plan | €666.67/mo | Linux, Mac, Web, Windows |
| 3 | FeenoX | 8.8 | Free plan | Free | API, Linux, self-hosted, Web |
| 4 | COMSOL Multiphysics | 8.7 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | Xcos | 8.7 | Free plan | Free | Windows, Mac, Linux |
| 6 | FEST-3D | 8.7 | Free plan | Free | Linux, Mac |
| 7 | myPhysicsLab | 8.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 8 | Open Source Physics | 8.5 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 9 | FDTDX | 8.5 | Free plan | Free | Linux, self-hosted |
| 10 | DynamicalSystems.jl | 8.5 | Free plan | Free | Linux, Mac, Windows |
| 11 | SimScale | 8.4 | No | — | Web |
| 12 | Ansys Fluent | 8.1 | No | — | — |
| 13 | OpenFOAM | 8.1 | No | — | Windows, Mac, Linux |
| 14 | FEATool Multiphysics | 7.8 | No | — | Windows, Linux, Mac |
| 15 | Step | 7.7 | No | — | Linux |
| 16 | ASCEND | 7.7 | No | — | Windows, Mac, Linux |
| 17 | ngspice | 7.6 | No | — | Windows, Mac, Linux |
| 18 | GNU FisicaLab | 7.6 | No | — | — |
| 19 | PhysSandbox | 7.6 | Free plan | Free | Web |
| 20 | 3JCN Physics Simulation | 7.6 | Free plan | Free | Web |
Make your app an alternative to PySWMM
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about PySWMM alternatives
What is the best alternative to PySWMM?
OpenSim, number 1 in physics simulation software with a score of 9.1 out of 10. The others here: SimFlow, FeenoX, COMSOL Multiphysics and 16 more.
What is the best free alternative to PySWMM?
OpenSim is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.