This is bitbar, a library crate which includes helpers for writing BitBar plugins in Rust. The main feature is the Menu type whose Display implementation generates output that conforms to the BitBar plugin API.
For a list of available Cargo features, see the crate-level documentation.
Here are some BitBar plugins that use this library:
If you have a BitBar plugin that uses this library, feel free to open a pull request to add it to this list.