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sq vs rsql: catalog facts
sq	rsql
Free Free and open source.	Free Free and open source under either the Apache-2.0 or MIT license.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
One query syntax across databases and document files Imports Excel sheets into database tables	Queries databases and common data file formats through SQL Includes interactive syntax highlighting and autocomplete
Its SLQ query language has to be learned alongside SQL Command-line only, with no graphical interface	Some supported data sources require additional drivers or configuration
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0 OR MIT
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 24, 2026	Official website Full listing and sources Checked October 8, 2026

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