CommunityEngine is a free, open-source social network platform for Ruby on Rails applications. Drop it into your new or existing application, and you’ll instantly have all the features of a basic community site.

Monologue is a basic blogging engine. It is a Rails mountable engine so it can be mounted in any 4.0.X + apps

Currently supported editors are CKEditor and TinyMCE

Plugin for adding ckeditor support in Administrate

Helpesk includes: tickets, ticket types, email-notification, FAQ, subscribers

Best rails admin panel. Great mechanism for customization and rapid development

ActiveAdmin CMS extension

An engine for search-engine-optimized blog management.

Implements common components and features for Rails-based LCMS systems

Content Manager for RoR

Polymorphic content blocks made simple.

Core for all Tramway Rails Engines

RocketCMS fork

A plugin that allows you to easily drop Ckeditor into ActiveAdmin.

Rich text editor for Active Admin using CKEditor.

AdminLTE is a premium Bootstrap theme for Backend.

Adva CMS

The rails engine which lets you the time to drink some beers!

Blog plugin for Rails

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