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Satyrnmarimo
Free

The alpha is a free download; future pricing is not stated.

 Free

The open-source application is available without a license fee.

macOS Windows, macOS, Linux, Web
  • Opens existing notebooks straight from Finder
  • Detects kernels and conda environments automatically
  • No hidden state: changing a cell updates everything that depends on it
  • Notebooks are plain .py files, so diffs and version control work
  • Still in alpha
  • macOS only
  • The reactive model forbids some patterns familiar from Jupyter
  • Smaller ecosystem than Jupyter
Downloadable app Downloadable app
Closed source Open source
License not stated License: Apache-2.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.