Archangel is a Rails CMS

Aimbulance CMS

Qbrick is a Rails engine that offers a simple CMS.

Integrates Rails3-like asset pipeline into Radiant CMS project

Post to a Radiant CMS site to enable or disable it.

Cache Buster tag for Radiant CMS

Pushes new tweets as you publish pages from Radiant CMS

A generic and extendable way to manage people in Radiant CMS

Extends Trusty CMS Layouts to support nesting, sharing with Rails Controllers and rendering HAML

Manage multiple Site with Refinery-CMS

Ruby on Rails Downloads engine for Refinery CMS.

Ruby on Rails Jquery Gallery extension for Refinery CMS

Ruby on Rails Banners engine for Refinery CMS

Ruby on Rails Homepages engine for Refinery CMS

Ruby on Rails Members engine for Refinery CMS

Ruby on Rails Slideshows engine for Refinery CMS

An extension to handle the integration of Refinery CMS and Solr

Ruby on Rails Magickal Workings extension for Refinery CMS

Ruby on Rails Pods extension for Refinery CMS

Ruby on Rails Testimonials engine for Refinery CMS