Rails gem to create custom error pages. Captures exceptions using "exception_app" callback, routing to "Exception" controller, rendering the view as required.

Sign in (or up) with Google for Rails applications

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.

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

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

Efficient, convenient, non-intrusive JSONAPI framework for Rails.

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

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

weixin_rails_middleware for integration weixin develop

Attachments handler for Rails that uses Cloudinary for storage.

a gem to help you select chinese area like province, city and district

CAS authentication module for Devise

Dockerfile generator for Rails

Add the ability to use the Google Authenticator with ActiveRecord.

kaminari-mongoid lets your Mongoid models be paginatable

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

Rails bindings for opal JS engine

Sextant is a Rails engine that quickly shows the routes available