TYPO3 is an open-source CMS written in PHP used to build and manage websites of different types and size ranges, from small sites for individuals to multilingual enterprise solutions for large corporations.
Textpattern is a flexible open-source content management system written in PHP with a browser-based interface in over 50 languages.
Drupal is an open-source application that includes a content management platform and a development framework to create and manage many types of websites.
Joomla is an open-source website development and content management system that enables you to build websites and powerful online applications.
WordPress is an open source content management system and the most popular way to create and host your own website, eCommerce store, or blog.
Craft CMS is a flexible, user-friendly CMS for creating custom digital experiences on the web and beyond.