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trdsql vs SuperDB: catalog facts
trdsql	SuperDB
Free The open-source application is available without a license fee.	Free Free to download and use; the source is public on GitHub.
Windows, macOS, Linux	macOS, Command line
SQL queries over several structured file formats	Queries JSON and relational data together Runs locally as a command-line tool
Available SQL behavior depends on the selected database backend.	No tagged releases on GitHub License is not clearly identified in the repository metadata
Downloadable app	Downloadable app
Open source	Closed 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 October 2, 2026

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