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rsql vs usql: catalog facts
rsql	usql
Free Free and open source under either the Apache-2.0 or MIT license.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Queries databases and common data file formats through SQL Includes interactive syntax highlighting and autocomplete	A consistent terminal workflow across database engines
Some supported data sources require additional drivers or configuration	Driver availability and feature support vary by database.
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0 OR MIT	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 22, 2026

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