Compare software

Harlequin vs Tabiew: catalog facts
Harlequin	Tabiew
Free Free and open source, supported through GitHub Sponsors.	Free Free to use; the source is published on GitHub.
Windows, macOS, Linux, Command line	Command line
Full SQL IDE inside the terminal, usable over SSH Adapters for DuckDB, SQLite, Postgres and more	Opens CSV, TSV, Parquet and Arrow files SQL queries on the loaded data
Installed through Python, and newer Python versions may not be supported by all dependencies Terminal interface rather than a graphical client	Viewer and query tool rather than a full data editor Terminal interface takes some learning
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 September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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