Refinery is the most popular Ruby on Rails CMS and supports Rails 4.2. It's easy to extend and sticks to 'the Rails way' where possible.

Sites and apps similar to ExpressionEngine include WordPress, which is open source with a free version. Other options are Ghost, Tumblr, Drupal and Joomla. You're spoiled for choice with CMS Tools like ExpressionEngine: we list more than 100 alternatives for self-hosting, Windows, Linux, Mac and Android.
Refinery is the most popular Ruby on Rails CMS and supports Rails 4.2. It's easy to extend and sticks to 'the Rails way' where possible.

Html Writr is a very light and easy to use system that allows you to manage the content of static html files.
LMNucleus CMS is compatible with Nucleus CMS , but without the bugs of the latest official release of Nucleus CMS.
Roadiz is a modern CMS based on a node system which can handle many types of services. Based on Symfony components and Doctrine ORM, it allows you to create your data schema from scratch and to organise your content as you want.
Lutece is an open source platform developed by the City of Paris to help you develop digital solutions. Honed for cities’ use through almost 20 years of development, Lutece has evolved into multifaceted platform with more than 400 plugins.

Sitecore A/S has produced the Sitecore content management system since 1999. They have a well established portfolio of Solution Partners worldwide and an extensive network of certified Sitecore developers.
LiveStreet is a free (GPLv2) engine for blog and social networks.
The project has been implemented with the OOP on PHP5 + MySQL5 and is built on the principle of the MVC model, which makes it possible to change both the logic engine, and appearance with ease.


