fuzzy_finder is a fuzzy finding UI for Rust CLI applications.
Does your CLI app have a big list of things your users want to search through? If so you might find this library helpful. It looks like this:
It comes with a Lord of the Rings example, which you can run like this:
cargo run --example lotr
Here's a little demo:
The design owes a great debt to the wonderful fzf.
fuzzy_finder was developed for lk, a CLI front-end for bash scripts.