10 of the most usable CMSs on the web to use in your next project:
WordPress is an open source and free tool web software that can be used to create blog or website. This Content Management System based on MySQL and PHP. It contains plugin architecture and a template system. More than 23.3% of top 10 million websites uses WordPress from January 2015. Around 60 million websites uses this most popular blogging system on the web.
Drupal is one of the most popular open source Content Management System (CMS) written in PHP and circulated under the GNU General Public License. Drupal work as a backend framework for at least 2.1% of all worldwide web sites that ranges from political, personal blogs to corporate as well as government websites like data.gov.uk and WhiteHouse.gov. This system is also applicable for business collaboration and knowledge management.
Joomla is an open source, free as well as award winning Content Management System which allows user to build websites and powerful online application. The application can be developed on model view controller (MVC) framework. It is easy to use, extensible open source software. It is also written in PHP and used for Object Oriented Programming (OOP) techniques.
4.ExpressionEngine (EE) (https://ellislab.com/expressionengine)
ExpressionEngine is the company's flagship software product. It is a general purpose content management system written in object-oriented PHP and using MySQL for data storage. This software is easy to modify and extensible. It has the ability to many sites with one installation of software.
Textpattern is a free and open source Content Management System (CMS) manufactured by Dean Allen. Textpattern is the first choice of web designers, developers, publishers and bloggers because of its flexibility and extensibility. It is written in PHP and use MySQL database as a backend. Textpattern has a great, elegant engine which can be considerably modified to suit whatever type of website user can visualise.
6.Radiant CMS (http://radiantcms.org/)
Radiant is a free and open source software content management system (CMS) written in Ruby language. John W. designed this software for small teams. Radiant is similar to MovableType or Textpattern, but it is a general purpose content management system. It has a lightweight core library with "extensions" providing additional customised functionality.
7.Cushy CMS (https://www.cushycms.com/en)
Cushy CMS is totally a new approach of content management which permits user to pick any of the website and add editing as well as management functionality to it with a very simple and easy to use interface.
SilverStripe is the in-built Content Management System with flexible framework for developing and maintaining websites or web applications. It mostly behaves like a WordPress, but it has numerous configurable options that tailored towards content management not for blogging. SilverStripe is built on its very own PHP framework Saphire, which makes it unique. This CMS released under the terms of the BSD License.
Alfresco is a free enterprise content management solution which is easy to install. The most important feature of Alfresco is the ability to drop files into folders and turn them into web documents. It is an open source technology that allows global organizations to work together more efficiently across mobile, cloud, premise environments and hybrid.
TYPOlight is also named as Contao, is a free CMS (Content Management System) for medium to large websites. TYPOlight specializes in back office for the developers and front office for the user's accessibility and observes HTML5, XHTML and CSS standards as per the W3C or WAI guidelines for creating pages. Contao ranks with ExpressionEngine and Drupal. It may also provide unique bundled modules such as calendars and newsletters.