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marimo vs Deepnote: catalog facts
marimo	Deepnote
Free The open-source application is available without a license fee.	Freemium Self-serve signup is available, with demos offered for larger teams.
Windows, macOS, Linux, Web	Web
No hidden state: changing a cell updates everything that depends on it Notebooks are plain .py files, so diffs and version control work	Real-time collaboration on Python and SQL notebooks Built-in AI for queries and analysis
The reactive model forbids some patterns familiar from Jupyter Smaller ecosystem than Jupyter	Runs as a hosted service, not locally Many features are aimed at teams rather than individuals
Downloadable app	Web application, Hosted service
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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