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Azimutt vs datannur: catalog facts
Azimutt	datannur
Freemium Free to start without signup, with paid plans listed on the pricing page.	Free Free and open source under the MIT licence.
Web, Command line	Web, Self-hosted
Built for navigating very large schemas Incremental layouts with search and relation following	Runs from static files with no server or database Catalogs many tabular, statistical and geospatial formats
The command-line route needs npm installed More than most need for a small database	Small project with a young community Building a catalog from real data uses the separate Python builder
Downloadable app, Web application	Self-hosted
Open source	Open source
License: MIT	License: MIT
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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