Easily switch current user to speed up development

Role-based authorization system for Rails with a concise DSL for securing your Rails application. Acl9 makes it easy to get security right for your app, the access control code sits right in your controller, the syntax is very easy to understand, and acl9 makes it easy to test your access rules.

Gemstash acts as a local RubyGems server, caching copies of gems from RubyGems.org automatically, and eventually letting you push your own private gems as well.

Open-source Dropbox using Ruby and Git.

ActiveRecord and Mongoid extension for easier date scopes and time ranges

Tolk is a web interface for doing i18n translations packaged as an engine for Rails applications.

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

The EmailAddress Gem to work with and validate email addresses.

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.

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.

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

Deprecated finder APIs extracted from Active Record.

Out-of-Band Server Triggered DOM Operations

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

Test your Rails Engines without needing a full Rails app

Authy plugin to add two factor authentication to Devise. This gem is deprecated, please see the README for details.

This gem can be useful, if you need to upload files to your API from mobile devises.

Easy model creation and reference in your cucumber features

Rails performance tests (removed from core in Rails 4.0)