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Oracle SQL Developer vs SQuirreL SQL: catalog facts
Oracle SQL Developer	SQuirreL SQL
Free Free to download and use from Oracle.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Full PL/SQL IDE with worksheet and DBA console Built-in data modeling	Works with any JDBC-compliant database Plugin system for extra features
Focused on Oracle Database Java application, not open source	Requires a Java runtime Interface feels dated next to newer clients
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: LGPL-2.1
Not stated if an account is needed	No account needed
Not stated if it works offline	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.