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snek5000 vs STEPP

Both stand on physics simulation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

snek5000

Free plan Linux

Snek5000 provides a structured Python workflow around Nek5000 simulations, from parameter setup through restart and visualization. It is most suitable for users comfortable with Python and the required Nek5000 environment.

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STEPP

Free plan Web

STEPP combines scaffolded physics lessons with simulation authoring in a browser. Its free modules cover three introductory topics and include tools for both learners and teachers.

Visit STEPP

The facts

snek5000STEPP
Free planYesYes
Open sourceNot publishedNot published
Runs onLinuxWeb
Lowest paid planNot publishedNot published
Plans publishedNoneNone
MakerNot publishedNot published
Websitesnek5000.readthedocs.iostepp.utdallas.edu
On physics simulation software#75 of 89#79 of 89

snek5000: what it does well

  • Free plan with offline access
  • Scriptable runs support parametric studies
  • Records metadata in XML and YAML
  • Plots fields and animates pressure data
  • Builds Fluidsim solvers from Nek5000 cases

What to know first

  • Linux only
  • Requires Python 3.8 or newer
  • Needs configured NEK_SOURCE_ROOT
  • Upstream master branch is unsupported

STEPP: what it does well

  • Free plan available
  • Three introductory physics modules
  • Finite-state-machine modeling tool
  • Lesson library and authoring tools
  • 3D visuals in web apps

What to know first

  • Runs in a laptop or desktop browser
  • Focused on introductory physics topics

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