Keep a DRY history of your ActiveRecord models' changes

Rocket Pants adds JSON API love to Rails and ActionController, making it simpler to build API-oriented controllers.

Textacular exposes full text search capabilities from PostgreSQL, extending ActiveRecord with scopes making search easy and fun!

Annotates Rails/ActiveRecord Models, routes, fixtures, and others based on the database schema.

ActiveRecord and Mongoid extension for easier date scopes and time ranges

Process your Paperclip attachments in the background with ActiveJob

The EmailAddress Gem to work with and validate email addresses.

Client library for the Central Authentication Service (CAS) protocol.

A query aggregator for OSINT based threat hunting

Often times you'll end up with empty strings where you really want nil at the database level. This plugin automatically converts blanks to nil and is configurable.

Easily switch current user to speed up development

This gem adds support for the postgres hstore type. It is the _just right_ alternative for storing hashes instead of using seralization or dynamic tables.

Open-source Dropbox using Ruby and Git.

Supplies TimeOfDay and Shift class that includes parsing, strftime, comparison, and arithmetic.

This gem creates a scope for unread objects and adds methods to mark objects as read

APN on Rails is a Ruby on Rails gem that allows you to easily add Apple Push Notification (iPhone) support to your Rails application.

Scale database reads with replicas in Rails

APN on Rails is a Ruby on Rails gem that allows you to easily add Apple Push Notification (iPhone) support to your Rails application.

Provides enum-like fields for ActiveRecord, ActiveModel and Mongoid models.

Socialization allows any model to Follow and/or Like any other model. This is accomplished through a double polymorphic relationship on the Follow and Like models. But you don't need to know that since all the complexity is hidden from you.