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csvkit vs sq: catalog facts
csvkit	sq
Free Free and open source under the MIT licence.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Runs SQL queries directly against CSV files with csvsql Converts Excel and JSON into CSV so the same pipeline handles everything	One query syntax across databases and document files Imports Excel sheets into database tables
Python and pandas-free, so it is slow on very large files Development has been quiet in recent years	Its SLQ query language has to be learned alongside SQL Command-line only, with no graphical interface
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
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 22, 2026	Official website Full listing and sources Checked September 24, 2026

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