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SQuirreL SQL vs RazorSQL: catalog facts
SQuirreL SQL	RazorSQL
Free Free and open source.	Paid Commercial software sold with a paid license.
Windows, macOS, Linux	Windows, macOS, Linux
Works with any JDBC-compliant database Plugin system for extra features	Connects to many database systems from one client Combines query tool, SQL editor and database browser
Requires a Java runtime Interface feels dated next to newer clients	Paid license required Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: LGPL-2.1	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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