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OctoSQL vs trdsql: catalog facts
OctoSQL	trdsql
Free Free and open source under the Mozilla Public License 2.0.	Free The open-source application is available without a license fee.
Windows, Command line	Windows, macOS, Linux
Joins data across different databases and file formats in one query Uses standard SQL	SQL queries over several structured file formats
No commits since May 2024 Command line only	Available SQL behavior depends on the selected database backend.
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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