Guard::Jasmine automatically tests your Jasmine specs on PhantomJS

Guard::Sidekiq automatically starts/stops/restarts sidekiq worker

Guard::Zeus automatically manage zeus

Protect from accidentally invoking Sidekiq jobs when there are open database transactions

Guard::CoffeeScript automatically generates your JavaScripts from your CoffeeScripts

Guard::Reek automatically runs Reek when files change

Restart puma when files change

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

Guard::Test automatically run your tests on file modification.

Guard::CtagsBundler uses ctags utility and generates 2 files: tags -- with tags generated from project's source tree and gems.tags -- with tags generated from rubygems from project's bundle.

Guard::Pow automatically manage Pow applications restart

Automatically reloads your Rack based app on file change using Guard.

Guard::Foodcritic automatically runs foodcritic.

Guard::Yard automatically monitors Yard Documentation.

Guard::Migrate automatically runs your database migrations when needed

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

Guard extension to run cli processes

Guard plug-in that allows you to restart Unicorn

Allows you to add eslint to your Guard toolchain, so that eslint is run.

Ruby Critic is a tool that listens to modifications in Ruby classes, modules and methods and reports any new code smells it finds.