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Azimutt vs SchemaSpy: catalog facts
Azimutt	SchemaSpy
Freemium Free to start without signup, with paid plans listed on the pricing page.	Free Free and open source.
Web, Command line	Windows, macOS, Linux, Command line
Built for navigating very large schemas Incremental layouts with search and relation following	Generates ER diagrams automatically Static HTML output is easy to share
The command-line route needs npm installed More than most need for a small database	Requires Java and the right JDBC driver Command-line configuration only
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MIT	License: LGPL-3.0
No account needed	No account 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 September 24, 2026

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