Compare software

QStudio vs SQuirreL SQL: catalog facts
QStudio	SQuirreL SQL
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Supports 30+ databases with strong kdb+ and DuckDB support Built-in charts and SQL pivot tables	Works with any JDBC-compliant database Plugin system for extra features
Fewer administration features than full database admin tools Text2SQL relies on an AI model	Requires a Java runtime Interface feels dated next to newer clients
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: LGPL-2.1
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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