Best MontePy Alternatives in 2026
Updated
20 platforms from physics simulation software ranked against MontePy on the same published basis.
- 1MontePy vs OpenSim
- 2MontePy vs FeenoX
- 3MontePy vs COMSOL Multiphysics
- 4MontePy vs Kinetic.jl
- 5MontePy vs libCEED
- 7MontePy vs SimFlow
- 8MontePy vs PythonicDISORT
- 9MontePy vs ngspice
- 10MontePy vs FEST-3D
- 11MontePy vs OpenSCM Two Layer Model
- 12MontePy vs SimScale
- 13MontePy vs Xcos
- 14MontePy vs MPTRAC
- 15MontePy vs FDTDX
- 16MontePy vs Ansys Fluent
- 17MontePy vs DynamicalSystems.jl
- 18MontePy vs myPhysicsLab
- 19MontePy vs OpenFOAM
- 20MontePy vs Open Source Physics
- 21MontePy vs GNU FisicaLab
MontePy alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | OpenSim | 8.7 | Free plan | Free | API, Linux, Mac, Windows |
| 2 | FeenoX | 8.7 | Free plan | Free | API, Linux, self-hosted, Web |
| 3 | COMSOL Multiphysics | 8.4 | API, Linux, Mac, self-hosted, Web, Windows | ||
| 4 | Kinetic.jl | 8.0 | API, Linux | ||
| 5 | libCEED | 7.7 | API, Linux, self-hosted | ||
| 7 | SimFlow | 7.3 | Free plan | €666.67/mo | Linux, Mac, Web, Windows |
| 8 | PythonicDISORT | 7.3 | API, Linux, Mac, Windows | ||
| 9 | ngspice | 7.2 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 10 | FEST-3D | 7.2 | Free plan | Free | Linux, Mac |
| 11 | OpenSCM Two Layer Model | 7.2 | Free plan | Free | API |
| 12 | SimScale | 7.1 | Web | ||
| 13 | Xcos | 7.1 | Free plan | Free | Windows, Mac, Linux |
| 14 | MPTRAC | 7.1 | Free plan | Free | Linux, self-hosted, Web |
| 15 | FDTDX | 7.1 | Free plan | Free | Linux, self-hosted |
| 16 | Ansys Fluent | 7.0 | |||
| 17 | DynamicalSystems.jl | 7.0 | Free plan | Free | Linux, Mac, Windows |
| 18 | myPhysicsLab | 6.9 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 19 | OpenFOAM | 6.7 | Windows, Mac, Linux | ||
| 20 | Open Source Physics | 6.7 | Web, Windows, Mac, Linux, iOS, Android | ||
| 21 | GNU FisicaLab | 6.6 |
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Questions about MontePy alternatives
What is the best alternative to MontePy?
OpenSim, number 1 in physics simulation software with a score of 8.7 out of 10. The others here: FeenoX, COMSOL Multiphysics, Kinetic.jl and 16 more.
What is the best free alternative to MontePy?
OpenSim 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, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.