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dadbod.vim vs Harlequin: catalog facts
dadbod.vim	Harlequin
Free Free plugin with its source published on GitHub.	Free Free and open source, supported through GitHub Sponsors.
Command line	Windows, macOS, Linux, Command line
Connections defined by a single URL One :DB command instead of many mappings	Full SQL IDE inside the terminal, usable over SSH Adapters for DuckDB, SQLite, Postgres and more
Requires Vim and familiarity with its commands Deliberately omits many of the esoteric features of dbext.vim	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
Closed 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.