Best oxDNA Alternatives in 2026
Updated
20 apps from physics simulation software ranked against oxDNA on the same published basis.
- 1oxDNA vs OpenSim
- 2oxDNA vs SimFlow
- 3oxDNA vs ngspice
- 4oxDNA vs FeenoX
- 5oxDNA vs COMSOL Multiphysics
- 6oxDNA vs Xcos
- 7oxDNA vs FEST-3D
- 8oxDNA vs MPTRAC
- 9oxDNA vs myPhysicsLab
- 10oxDNA vs Open Source Physics
- 11oxDNA vs FDTDX
- 12oxDNA vs DynamicalSystems.jl
- 13oxDNA vs SimScale
- 14oxDNA vs Ansys Fluent
- 15oxDNA vs OpenFOAM
- 16oxDNA vs PyAutoLens
- 17oxDNA vs FEATool Multiphysics
- 18oxDNA vs Kinetic.jl
- 19oxDNA vs Step
- 20oxDNA vs ASCEND
oxDNA 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 | ngspice | 8.8 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 4 | FeenoX | 8.8 | Free plan | Free | API, Linux, self-hosted, Web |
| 5 | COMSOL Multiphysics | 8.7 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 6 | Xcos | 8.7 | Free plan | Free | Windows, Mac, Linux |
| 7 | FEST-3D | 8.7 | Free plan | Free | Linux, Mac |
| 8 | MPTRAC | 8.6 | Free plan | Free | Linux, self-hosted, Web |
| 9 | myPhysicsLab | 8.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 10 | Open Source Physics | 8.5 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 11 | FDTDX | 8.5 | Free plan | Free | Linux, self-hosted |
| 12 | DynamicalSystems.jl | 8.5 | Free plan | Free | Linux, Mac, Windows |
| 13 | SimScale | 8.4 | No | — | Web |
| 14 | Ansys Fluent | 8.1 | No | — | — |
| 15 | OpenFOAM | 8.1 | No | — | Windows, Mac, Linux |
| 16 | PyAutoLens | 8.0 | Free plan | Free | Linux, Mac, Windows |
| 17 | FEATool Multiphysics | 7.8 | No | — | Windows, Linux, Mac |
| 18 | Kinetic.jl | 7.8 | No | — | API, Linux |
| 19 | Step | 7.7 | No | — | Linux |
| 20 | ASCEND | 7.7 | No | — | Windows, Mac, Linux |
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Questions about oxDNA alternatives
What is the best alternative to oxDNA?
OpenSim, number 1 in physics simulation software with a score of 9.1 out of 10. The others here: SimFlow, ngspice, FeenoX and 16 more.
What is the best free alternative to oxDNA?
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: documentation depth, a free tier and the platforms it runs on.