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