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csvkit vs qsv: catalog facts
csvkit	qsv
Free Free and open source under the MIT licence.	Free The open-source application is available without a license fee.
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	A broad set of composable data-processing commands
Python and pandas-free, so it is slow on very large files Development has been quiet in recent years	Some features depend on build options and optional integrations.
Downloadable app	Downloadable app
Open source	Open source
License: 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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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