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SQuirreL SQL vs SQLLine: catalog facts
SQuirreL SQL	SQLLine
Free Free and open source.	Free SQLLine is available under the BSD 3-Clause license.
Windows, macOS, Linux	Command line
Works with any JDBC-compliant database Plugin system for extra features	Connects to relational databases through JDBC Provides a terminal interface for issuing SQL
Requires a Java runtime Interface feels dated next to newer clients	Requires a JDBC driver for the database
Downloadable app	Downloadable app
Open source	Open source
License: LGPL-2.1	License: BSD-3-Clause
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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