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trdsql vs VisiData: catalog facts
trdsql	VisiData
Free The open-source application is available without a license fee.	Free Free and open source under GPL-3.0, supported by donations.
Windows, macOS, Linux	macOS, Linux, Command line
SQL queries over several structured file formats	Opens dozens of data formats, including Excel and SQLite Handles millions of rows quickly
Available SQL behavior depends on the selected database backend.	Keyboard-driven interface with many commands to learn Some formats need extra Python packages
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
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 23, 2026

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