If you like fzf, give skim [1] a go. It's basically faster (anecdotally) fzf, but can also be used as a Rust library. I made a little personal to-do manager using it, together with SQLite for persistence. I also improved my fish shell ergonomics with [2].
[1] https://github.com/lotabout/skim [2] https://github.com/zenofile/fish-skim