rubocop

A community-driven Ruby coding style guide

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

A community-driven Ruby on Rails style guide

Best practices for writing your specs!

A RuboCop extension focused on enforcing Rails best practices and coding conventions.

Code style checking for RSpec files.

An extension of RuboCop focused on code performance checks.

Guard plugin for RuboCop

Code style checking for Minitest files.

RuboCop's AST extensions and NodePattern functionality

An Emacs interface for RuboCop

A RuboCop plugin for Rake

Code style checking for factory_bot files.

RuboCop for Markdown code snippets

The official VS Code extension for the RuboCop linter and code formatter.

Best practices for writing your tests

Code style checking for Capybara files.

A place for RuboCop discussions in Japanese

A generator of RuboCop's custom cops gem.