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VisiData vs qsv: catalog facts
VisiData	qsv
Free Free and open source under GPL-3.0, supported by donations.	Free The open-source application is available without a license fee.
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Opens dozens of data formats, including Excel and SQLite Handles millions of rows quickly	A broad set of composable data-processing commands
Keyboard-driven interface with many commands to learn Some formats need extra Python packages	Some features depend on build options and optional integrations.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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