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

Hosted drag-and-drop website builder and CMS that provides in-browser visual page editing, theme and block-based templates, component editing, content management, publishing and hosting for building and managing websites.
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
A PHP-based CMS with a visual page builder, multi-site, localization, ecommerce, and GraphQL/REST APIs.

1.2k stars211 forksAGPL-3.0last commit Actively maintained
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. 3 of 4 shipped a commit in the last six months. Licences in this list: MIT, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Traditional CMS.