Best PySWMM Alternatives in 2026

20 tools from physics simulation software ranked against PySWMM on the same published basis.

  1. 1PySWMM vs SimFlow
  2. 2PySWMM vs COMSOL Multiphysics
  3. 3PySWMM vs OpenSim
  4. 4PySWMM vs FeenoX
  5. 5PySWMM vs Open Source Physics
  6. 6PySWMM vs FEST-3D
  7. 7PySWMM vs myPhysicsLab
  8. 8PySWMM vs Xcos
  9. 9PySWMM vs SimScale
  10. 10PySWMM vs DynamicalSystems.jl
  11. 11PySWMM vs FDTDX
  12. 12PySWMM vs OpenFOAM
  13. 13PySWMM vs Ansys Fluent
  14. 14PySWMM vs FEATool Multiphysics
  15. 15PySWMM vs ASCEND
  16. 16PySWMM vs MATLAB Grader
  17. 17PySWMM vs Step
  18. 18PySWMM vs Algodoo
  19. 19PySWMM vs 3JCN Physics Simulation
  20. 20PySWMM vs MPTRAC

PySWMM alternatives compared

#ToolScoreFree planFromRuns on
1SimFlow9.1Free plan€666.67/moLinux, Mac, Web, Windows
2COMSOL Multiphysics8.9No—API, Linux, Mac, self-hosted, Web, Windows
3OpenSim8.5Free planFreeAPI, Linux, Mac, Windows
4FeenoX8.4Free planFreeAPI, Linux, self-hosted, Web
5Open Source Physics8.3No—Web, Windows, Mac, Linux, iOS, Android
6FEST-3D8.3Free planFreeLinux, Mac
7myPhysicsLab8.3Free planFreeLinux, Mac, self-hosted, Web, Windows
8Xcos8.2Free planFreeWindows, Mac, Linux
9SimScale8.1No—Web
10DynamicalSystems.jl8.1Free planFreeLinux, Mac, Windows
11FDTDX8.0Free planFreeLinux, self-hosted
12OpenFOAM7.8No—Windows, Mac, Linux
13Ansys Fluent7.7No——
14FEATool Multiphysics7.5No—Windows, Linux, Mac
15ASCEND7.5No—Windows, Mac, Linux
16MATLAB Grader7.4Free planFreeLinux, Mac, Web, Windows
17Step7.3No—Linux
18Algodoo7.3No—Windows, Mac, iOS
193JCN Physics Simulation7.3Free planFreeWeb
20MPTRAC7.2Free planFreeLinux, self-hosted, Web
Make your tool an alternative to PySWMM

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about PySWMM alternatives

What is the best alternative to PySWMM?

SimFlow, number 1 in physics simulation software with a score of 9.1 out of 10. The others here: COMSOL Multiphysics, OpenSim, FeenoX and 16 more.

What is the best free alternative to PySWMM?

SimFlow is the best-ranked alternative with a free plan. 11 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.