Gem with SEO functionality independent from any CMS and embeddable in any Rails 4 app

A custom modification of locomotive

Firefly is your own personal URL shortener for your own domain. It's written in Ruby and powered by Sinatra. You can run it with any Rack-capable web server. This version lets you point to an url as the root path instead of falling in the CMS right away.

Description of OrdinaryCms.

CMS on Ruby on Rails

Content fragments, components and pages for Padrino applications

Archangel is a Rails CMS

Aimbulance CMS

A Rails Engine for a simple file-based CMS, suitable for a documentation site. Originally created to power the Chargify documentation at http://docs.chargify.com

Paragon is a Jekyll Powered CMS currently in Development

Self-customized CMS Engine

Tiny CMS

Qbrick is a Rails engine that offers a simple CMS.

Integrates Rails3-like asset pipeline into Radiant CMS project

Pushes new tweets as you publish pages from Radiant CMS

A generic and extendable way to manage people in Radiant CMS

Flexible Content Management Framework for RailsAdmin.

Podcasting extension for Refinery CMS

Ruby on Rails Retailers extension for Refinery CMS

A CMS generating static HTML by building blocks.