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sq vs OctoSQL: catalog facts
sq	OctoSQL
Free Free and open source.	Free Free and open source under the Mozilla Public License 2.0.
Windows, macOS, Linux, Command line	Windows, Command line
One query syntax across databases and document files Imports Excel sheets into database tables	Joins data across different databases and file formats in one query Uses standard SQL
Its SLQ query language has to be learned alongside SQL Command-line only, with no graphical interface	No commits since May 2024 Command line only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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