The first thing I do with a Linux installation it's always add htop, and this it's the first time I feel the need to try something new in my routine.

htop and ncdu

For me, it's been bottom https://github.com/ClementTsang/bottom and dua https://github.com/Byron/dua-cli for a while

I've found some other cool CLIs written with rust at https://github.com/TaKO8Ki/awesome-alternatives-in-rust