[aargh_aargh]

I don't mean to minimize the effort and contribution of this project in any way, and I understand the author is scratching their own itch, but I'm curious why this is specific to DuckDB? From skimming the homepage, it has generic querying capabilities. Isn't there a generic DB driver that can be swapped out and the TUI used on top of another DBMS?

[tconbeer]

DuckDB provides some really nice python APIs that other databases don't have, so it was a very easy way for me to get started. I'm considering/planning extending to other DBs using plugins. More info here: https://github.com/tconbeer/harlequin/issues/230

[niels_bom]

I quite like the dbcli.com family of TUI DBMS tools. I personally use pgcli a lot.

[mavam]

Apache Arrow recently introduced ADBC for this.