Use jQuery's autocomplete plugin with Rails 4+.

Making callback tests easy on the fingers and eyes

A state machine plugin on top of ActiveRecord::Enum

weixin_rails_middleware for integration weixin develop

XDan's jQuery DateTimePicker packaged for the Rails Asset Pipeline

Attachments handler for Rails that uses Cloudinary for storage.

CAS authentication module for Devise

Add the ability to use the Google Authenticator with ActiveRecord.

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

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

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.

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

TinyMCE plugin for taking image uploads in Rails >= 3.1

A Rails engine for comments.

An accessible autocomplete for Ruby on Rails apps using Hotwire.

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.