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Harlequin vs LiteCLI: catalog facts
Harlequin	LiteCLI
Free Free and open source, supported through GitHub Sponsors.	Free Free and open source.
Windows, macOS, Linux, Command line	Command line
Full SQL IDE inside the terminal, usable over SSH Adapters for DuckDB, SQLite, Postgres and more	Context-aware auto-completion for SQL Syntax highlighting in the terminal
Installed through Python, and newer Python versions may not be supported by all dependencies Terminal interface rather than a graphical client	Terminal only, no graphical table browser Requires a Python environment when installed via pip
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 September 23, 2026

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