Maps representation documents from and to Ruby objects. Includes JSON, XML and YAML support, plain properties and compositions.

Apple Push Notifications on Rails

Create nested forms with ease.

A Write-Through Cacheing Library for ActiveRecord

easily do background work in rails, without commiting to a particular runner. comes with starling, bj and spawn runners.

Using AMQP as a Queuing Backend for Web Apps Should Be Easy

Professional grade APNs and GCM for Ruby (Rails 2 Conversion)

A Write-Through Cacheing Library for ActiveRecord

measure image size using pure Ruby (by Keisuke Minami)

The ActiveRecord acts_as_commentable plugin