SilverStripe

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

A Next.js-native headless CMS that installs directly into an existing `/app` folder.

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

Keystone is a CMS and app framework that lets developers define a schema and get a GraphQL API plus a management UI.

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.

Umbraco CMS is a free and open source .NET content management system for building and managing digital experiences.

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

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

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

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

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