Halo is an open-source CMS and site builder with themes, plugins, an editor, backups, REST APIs, and optional AI extensions for content and knowledge sites.

39.6k stars10.3k forksGPL-3.0last commit Actively maintained

Typemill Cloud is a hosted, lightweight flat-file CMS that creates and publishes websites and documentation from Markdown. It provides theme and plugin support and hosted content management and publishing without running your own server.
Halo is an open-source CMS and site builder with themes, plugins, an editor, backups, REST APIs, and optional AI extensions for content and knowledge sites.

39.6k stars10.3k forksGPL-3.0last commit Actively maintained
Umbraco CMS is an open-source ASP.NET Core content management system with an editor-friendly backoffice, extensible architecture, and scalable deployment options.

5.2k stars2.9k forksMITlast commit Actively maintained
Microweber is a drag-and-drop CMS and website builder for creating pages, blogs, and online stores with live editing, modules, and template-based design.

3.4k stars936 forksMITlast commit Slowing down
Bludit is a simple, fast flat-file CMS that stores content as JSON, enabling database-free websites and blogs with themes, plugins, and Markdown/HTML editing.

1.5k stars334 forksMITlast commit Actively maintained
Backdrop CMS is a lightweight, easy-to-use PHP content management system for building and managing professional websites with extensible add-ons and a Drupal 7 upgrade path.

1k stars401 forksGPL-2.0last commit Actively maintained
Open-source, Markdown-based flat-file CMS for documentation, knowledge bases, manuals and eBook generation with plugins, themes and AI-assisted editing.

615 stars76 forksMITlast commit Actively maintained
Open-source PHP and MySQL CMS focused on developer control, template-driven sites, modular content types, and an intuitive admin/editor experience.

223 stars56 forkslast commit Actively maintained
SPIP is a free, multilingual CMS focused on collaborative publishing, editorial workflows, and flexible templating for websites, magazines, and organizational portals.

Activity unknown
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 6 of 8 shipped a commit in the last six months. Licences in this list: GPL-3.0, MIT, GPL-2.0. In exchange you take on hosting, backups and updates yourself.
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