Dotclear

Ghost is an open source, headless Node.js CMS for professional publishing.

An open source content management system built on Django for managing and publishing websites.

WordPress is a semantic personal publishing platform for creating and managing websites and blogs.

Joomla! is a free and open source content management system for building websites and online applications.

Microweber is a drag-and-drop CMS and website builder for creating websites, online stores, and blogs.

Publify is a Ruby on Rails web publishing and blogging platform with a built-in short message system.

Bludit is a simple, fast, flexible flat-file CMS for building websites and blogs.

Idno is a social publishing platform for hosting and sharing online content.

A powerful and easy-to-use website building tool (documentation in Chinese).

REDAXO is a flexible, multilingual content management system and website framework for creating custom websites and content modules.

MODX Revolution is an open source PHP CMS and application framework for building flexible websites, blogs, and mobile APIs.

Backdrop is a full-featured content management system for building and managing a wide range of websites.