rust-lang/rustfmt

A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/

The uncompromising Python code formatter

An extremely fast Python linter and code formatter, written in Rust.

Prettier is an opinionated code formatter.

A formatter for Python files

⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

A Rust compiler front-end for IDEs

A command-line tool and Xcode Extension for formatting Swift code

A Ruby static code analyzer and formatter, based on the community Ruby style guide.