Guard::Compass automatically rebuilds scss|sass files when a modification occurs taking in account your compass configuration.

Guard::Yard automatically monitors Yard Documentation.

A Guard plugin to lint your .scss files using scss_lint. SCSS Lint changed from scss-lint to scss_lint and this is the guard update for that.

Guardrail captures validation errors from your Ruby on Rails application to help you identify and fix user experience issues. The GuardrailNotifier gem makes it easy to hook up your app to the Guardrail web service.

Guard::Teaspoon automatically runs your Javascript tests with all the features of Teaspoon.

Guard::Reek automatically runs Reek when files change

Guard::Annotate automatically runs the annotate gem when needed

Guard::Delayedjob automatically starts/stops/restarts delayed_job

Guard::Motion automatically run your specs (much like autotest).

Guard::Pow automatically manage Pow applications restart

Guard::Spin automatically manage Spin server.

Guard::Ego automatically restarts guard when needed

Guard::Copy automatically copies files.

Guard plugin for Coffeelint

Guard::Sass automatically rebuilds sass (like sass --watch)

Guard::Foodcritic automatically runs foodcritic.

Guard::RSpectacle automatically tests your code with RSpec

Guard plugin for Webpack

Guard::Passenger automatically restarts Passenger when needed.

Guard::Rsync automatically syncs directories.