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marimo vs Satyrn: catalog facts
marimo	Satyrn
Free The open-source application is available without a license fee.	Free The alpha is a free download; future pricing is not stated.
Windows, macOS, Linux, Web	macOS
No hidden state: changing a cell updates everything that depends on it Notebooks are plain .py files, so diffs and version control work	Opens existing notebooks straight from Finder Detects kernels and conda environments automatically
The reactive model forbids some patterns familiar from Jupyter Smaller ecosystem than Jupyter	Still in alpha macOS only
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
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
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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