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.

ExpressionEngine is described as 'CMS is the most secure, flexible, extensible, and user friendly Open Source CMS on the planet' and is a Blog Publishing tool in the development category. There are more than 100 alternatives to ExpressionEngine, not only websites but also apps for a variety of platforms, including Self-Hosted, Windows, Linux and Mac apps. The best ExpressionEngine alternative is WordPress, which is both free and Open Source. Other great sites and apps similar to ExpressionEngine are Ghost, Tumblr, Drupal and Joomla.
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.

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.


