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xan vs qsv: catalog facts
xan	qsv
Free The open-source application is available without a license fee.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Composable CSV operations and a query expression language	A broad set of composable data-processing commands
Advanced transformations require learning its expression syntax.	Some features depend on build options and optional integrations.
Downloadable app	Downloadable app
Open source	Open source
License not stated	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.