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SchemaCrawler vs SchemaSpy: catalog facts
SchemaCrawler	SchemaSpy
Free Free to use, released under the EPL-2.0 licence.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Works with nearly any JDBC database Diff-friendly text output for schema comparisons	Generates ER diagrams automatically Static HTML output is easy to share
Requires Java SE 17 or newer Command-line oriented rather than a graphical client	Requires Java and the right JDBC driver Command-line configuration only
Downloadable app	Downloadable app
Open source	Open source
License: EPL-2.0	License: LGPL-3.0
No account 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 September 24, 2026

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