Don't install CarrierWave in every application, keep it in one place.

Lets users update the content on their pages directly on the page without the need of an admin system

Coalla CMS gem

Content blocks in Rails

Content Management System for Rails 3 Created by Paul @ Deluxe Digital Media

An engine for enabling managed content, including articles, blogs, FAQs and glossaries.

EnjoyCMS

Cms that uses devise, ckeditor, and the twitter bootstraps

FL Framework for Rails → Helpers / Frontend

Rails 3.1+ admin generator

This is an editor for any rails application

This is simply the best CMS in town. User authentication, widgets, slideshows, easy UI with drag and drop, publishing system, versioning, etc.

HancockCMS

Provides a rich Hobo text type optimized for use with CKEditor

Emergency messaging, application updates, notifier updates, user management & base ActiveAdmin tweaks.

his is a gem for creating blogs, managing blog posts, categories, commenting. This is mainly dependency gem of mcms gem.

It can be added in any application to create pages.

MixRails is a CMS and system based on Ruby on Rails

Mokio is a Content Management System that allows creation of sophisticated websites. It consists maily of administration panel for your desired website. It provides the following types of content: Article (piece of text with pictures, lists, links, etc.), Picture Gallery (easily managed article with a number of photos - thumbs and edition provided), Movie Gallery (article with links to Dailymotion, Vimeo and Youtube movies - thumbs and edition provided), Contact Page with Google map and contact form. Apart from content it is possible to manage menu structure of your website for each language and defined position (part of the screen). If this is not enough for what you need, you can also include pieces of HTML code that should be shared by some (or all) subpages - called HTML Blocks. You can define on which part of the page, these blocks should be displayed. Mokio provides also administration panel for javascripts, languages and backend users. Beside Mokio itself, there are various gems dedicated for Mokio, that extends its core functionality. Visit: http://www.mokio.org Folow us on facebook: https://www.facebook.com/mokioCMS

Qbrick is a Rails engine that offers a simple CMS.