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Tabiew vs Harlequin: catalog facts
Tabiew	Harlequin
Free Free to use; the source is published on GitHub.	Free Free and open source, supported through GitHub Sponsors.
Command line	Windows, macOS, Linux, Command line
Opens CSV, TSV, Parquet and Arrow files SQL queries on the loaded data	Full SQL IDE inside the terminal, usable over SSH Adapters for DuckDB, SQLite, Postgres and more
Viewer and query tool rather than a full data editor Terminal interface takes some learning	Installed through Python, and newer Python versions may not be supported by all dependencies Terminal interface rather than a graphical client
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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