* [srijs/rust-copperline](https://github.com/srijs/rust-copperline) [[copperline](https://crates.io/crates/copperline)] — pure-Rust command line editing library
* Other
* [mgrachev/update-informer](https://github.com/mgrachev/update-informer) [[update-informer](https://crates.io/crates/update-informer)] — Update informer for CLI applications. It checks for a new version on Crates.io and GitHub [![build badge](https://github.com/mgrachev/update-informer/workflows/CI/badge.svg)](https://github.com/mgrachev/update-informer/actions)
* Pipeline
* [hniksic/rust-subprocess](https://github.com/hniksic/rust-subprocess) [[subprocess](https://crates.io/crates/subprocess)] — facilities for interaction with external pipelines [![build badge](https://api.travis-ci.org/hniksic/rust-subprocess.svg?branch=master)](https://travis-ci.org/hniksic/rust-subprocess)
* [imp/pager-rs](https://gitlab.com/imp/pager-rs) [[pager](https://crates.io/crates/pager)] — pipe your output through an external pager