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datannur vs SchemaCrawler: catalog facts
datannur	SchemaCrawler
Free Free and open source under the MIT licence.	Free Free to use, released under the EPL-2.0 licence.
Web, Self-hosted	Windows, macOS, Linux, Command line
Runs from static files with no server or database Catalogs many tabular, statistical and geospatial formats	Works with nearly any JDBC database Diff-friendly text output for schema comparisons
Small project with a young community Building a catalog from real data uses the separate Python builder	Requires Java SE 17 or newer Command-line oriented rather than a graphical client
Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: EPL-2.0
Not stated if an account is needed	No account needed
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.