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trdsql vs sq: catalog facts
trdsql	sq
Free The open-source application is available without a license fee.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
SQL queries over several structured file formats	One query syntax across databases and document files Imports Excel sheets into database tables
Available SQL behavior depends on the selected database backend.	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.