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SQuirreL SQL vs Oracle SQL Developer: catalog facts
SQuirreL SQL	Oracle SQL Developer
Free Free and open source.	Free Free to download and use from Oracle.
Windows, macOS, Linux	Windows, macOS, Linux
Works with any JDBC-compliant database Plugin system for extra features	Full PL/SQL IDE with worksheet and DBA console Built-in data modeling
Requires a Java runtime Interface feels dated next to newer clients	Focused on Oracle Database Java application, not open source
Downloadable app	Downloadable app
Open source	Closed source
License: LGPL-2.1	License: Proprietary
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 September 23, 2026

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