CKEditor is a javascript library of the WYSIWYG rich-text editor. This gem integrates CKEditor with Rails asset pipeline for easy of use.

Heya is a campaign mailer for Rails. Think of it like ActionMailer, but for timed email sequences. It can also perform other actions like sending a text message.

Packages the viewer distributed with PDF.js and makes it available in two styles (full, minimal).

Use jQuery's autocomplete plugin with Rails 4+.

A state machine plugin on top of ActiveRecord::Enum

TinyMCE plugin for taking image uploads in Rails >= 3.1

Attachments handler for Rails that uses Cloudinary for storage.

Auto-generate JSON API documents from your request-specs.

CAS authentication module for Devise

Sign in (or up) with Google for Rails applications

Gem that includes Highcharts (Interactive JavaScript charts for your web projects), in the Rails Asset Pipeline introduced in Rails 3.1

Maily is a Rails Engine to manage, test and navigate through all your email templates of your app, being able to preview them directly in your browser.

Email processing solution for Ruby on Rails applications

Make your ActiveRecord IDs non-obvious

Sequenced is a gem that generates scoped sequential IDs for ActiveRecord models.

Sextant is a Rails engine that quickly shows the routes available

A Rails engine for comments.

Add the ability to use the Google Authenticator with ActiveRecord.

Hyrax is a featureful Samvera front-end based on the latest and greatest Samvera software components.

Want to send an SMS from your Rails application? SMS Fu allows you to do just that. It allows you to send a text-message in the form of an e-mail to a cell phone on any of the supported carriers.