bootstrap-sass is a Sass-powered version of Bootstrap 3, ready to drop right into your Sass powered applications.

Kaminari is a Scope & Engine based, clean, powerful, agnostic, customizable and sophisticated paginator for Rails 4+

Easy upload management for ActiveRecord

Behaviour Driven Development with elegance and joy

Doorkeeper is an OAuth 2 provider for Rails and Grape.

Render components in views or controller actions. Server-side rendering powered by ExecJS. Transform JSX in the asset pipeline or use Webpacker.

Draper adds an object-oriented layer of presentation logic to your Rails apps.

Doorkeeper is an OAuth 2 provider for Rails.

MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.1:1080 to see the mail.

Poltergeist is a driver for Capybara that allows you to run your tests on a headless WebKit browser, provided by PhantomJS.

When a Cucumber step fails, it is useful to create a screenshot image and HTML file of the current page

Easily test email in RSpec, Cucumber, and MiniTest

Easily test email in RSpec, Cucumber, and MiniTest

Gem to conveniently handle multiple models in a single form with Rails 3 and jQuery or Prototype.

Go faster, off the Rails

Cucumber Generator and Runtime for Rails

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web. http://getbootstrap.com

LicenseFinder works with your package managers to find dependencies, detect the licenses of the packages in them, compare those licenses against a user-defined list of permitted licenses, and give you an actionable exception report.

Headless Webkit driver for Capybara

Apartment allows Rack applications to deal with database multitenancy through ActiveRecord