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nteract vs marimo: catalog facts
nteract	marimo
Free Free and open source under the BSD-3-Clause license.	Free The open-source application is available without a license fee.
Windows, macOS, Linux	Windows, macOS, Linux, Web
Opens notebooks as native desktop documents No browser-based server to launch	No hidden state: changing a cell updates everything that depends on it Notebooks are plain .py files, so diffs and version control work
Requires compatible Jupyter kernels installed Niche compared with browser-based Jupyter	The reactive model forbids some patterns familiar from Jupyter Smaller ecosystem than Jupyter
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: Apache-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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