Occams is a powerful Rails 6.1-7.1+ CMS Engine

This engine plugs into your Rails application and provides a plethora of useful methods, concerns, helpers, and conventions to help you quickly build a CMS for your Newsroom.

Rails admin engine

This gem provides all necessary tools to make a Rails application into a platform with third party applications.

It is a Rails engine that gathers a set of other gems and configurations designed to build incredible APIs

The PublishMyData Rails Engine. Create rails apps with Linked Data functionality.

A content management system that works with your view templates. Keep the presses hot!

Rails 3.1 drop-in blog engine for existing Rails applications

Recruiter is a Rails Engine for adding job posting functionality to a Rails APP. Users should be able to post articles

token based authentication and more useful library..

Renalware uses demographic, clinical, pathology, and nephrology datasets to improve patient care, undertake clinical and administrative audits and share data with external systems.

RocketCMS

Don't use. Not production ready

SMTP Proxy for Amazon Simple Email Service with bounce and complaints support

Use SimpleAdmin to build out filtering, searchable, editable interfaces for your models

Social Stream is a Ruby on Rails engine providing your application with social networking features and activity streams. This gem packages the basic functionality, along with basic actors (user, group) and activity objects (post and comments)

A simple alternative to Active Admin and Rails Admin

Sunrise is a Open Source CMS

Extends sunspot to be compatible with kaminari for pagination

Easy CRUD generator for Rails Projects