concrete5 is an open-source content management system (CMS) for publishing content on the World Wide Web and intranets.

CMS Made Simple (CMSMS) is a free, open source (GPL) content management system (CMS) to provide developers, programmers and site owners a web-based developmen…

django CMS is a free and open source content management system platform for publishing content.

ExpressionEngine is a flexible, feature-rich content management platform.

Grav is an easy to use, yet powerful, opensource CMS that requires no database.

MODX (MODx) is a free, open source content management system and web application framework for publishing content on the world wide web and intranets. MODX is…

blogstrap.py is a simple Blog using web.py and bootstrap3.

Craft CMS is a content management system for developers, designers, and web professionals that blends flexibility, power, and ease of use for clients.

Drupal is an open source platform for building websites.

Ghost is an open source publishing platform which is beautifully designed, easy to use, and free for everyone.

Joomla is a free and open-source content management system (CMS) for publishing web content.

Novius OS is a content management system (CMS) open source.