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

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