Radiant is a simple and powerful publishing system designed for small teams. It is built with Rails and is similar to Textpattern or MovableType, but is a general purpose content managment system--not merely a blogging engine.

BrowserCMS is a general purpose, open source Web Content Management System (CMS) that supports Ruby on Rails v3.2. It can be used as a standalone CMS, added to existing Rails projects or extended using Rails Engines.

Nesta is a lightweight Content Management System, written in Ruby using the Sinatra web framework. Nesta has the simplicity of a static site generator, but (being a fully fledged Rack application) allows you to serve dynamic content on demand. Content is stored on disk in plain text files (there...

Alchemy is a powerful, userfriendly and flexible Rails CMS.

A Ruby on Rails CMS that supports Rails 5.1. It's developer friendly and easy to extend.

CMS

ComfortableMexicanSofa is a powerful Rails 5.2+ CMS Engine

Manage Rails, application backend with ease.

DRG, development tool for rapid building of in-house (Intranet, private cloud) applications as well as CMS for creating complex, data-entry intensive web sites.

A modular CMS for Ruby on Rails 5 with an intuitive out-of-the-box interface to manage and customize components. Use Binda if you want to speed up your setup process and concentrate directly on what your application is about. Please read the documentation for more information and a quick start gu...

Sitepress rails integration.

zena is a Ruby on Rails CMS (content managment system) with a focus on usability, ease of customization and web 2.0 goodness (application like behaviour).

A lightweight CMS toolkit for Ruby on Rails, based on Bootstrap.

Serves mostly static pages with blocks of editable copy.

CMS for Rails. For Reals.

CMS system built on fullstack

Locomotive is designed to save your time and help you focus on what matters: front-end technology, standard development process and no learning time for your client.

A content management framework for Rails (compatible with 3.1 and 3.2)

The Opal language for simplicity and Smalltalk-like syntax.

Puffer pages is integratable rails CMS with puffer admin interface

PushType is a modern, open source content management system for Ruby on Rails. It takes advantage of powerful new features available in the latest versions of Rails and PostgreSQL.

Ruby on Rails Menus extension for Refinery CMS

Rails 3 engine that provides a Git backed CMS that allows for an admin to define editable regions in a page view.

This gem provides ways to access file based cms resources from a rails app.

Static.com Cloud Command Line Client

Station provides a documentation platform ready to use with your custom documentation.

This gem provides a command-line interface to speed up the creation of ubiquo based apps.

Zen is a modular CMS written using Ramaze. Zen gives you complete freedom to build whatever you want in whatever way you might want to build it.

Railfrog as a Rails Engine - DEVELOPERS ONLY

Open source Rails based content management that works.

Ruby/Rails Content Management Framework

Railsyard - One Ruby on Rails CMS to rule them all!

The new Ruby on Rails open source standard in content management

cutting edge cms, blog, wiki, forum ...

ShinyCMS is an open-source CMS built in Ruby on Rails, with support for themes, plugins, and cloud hosting. (There is also a Perl version: www.github.com/denny/ShinyCMS)