https://www.reddit.com/r/webdev/comments/xsi0te/what_your_favorite_open_source_self_hosted_cms/
So yah pile em on... what are the best open source self hosted CMS these days. In the past ive used Wagtail https://wagtail.org/ ... which ...

https://jamstack.org/headless-cms/
Strapi is the leading open-source headless CMS. It's 100% Javascript, fully customizable, support TypeScript and developer-first.

https://www.practicalecommerce.com/open-source-content-management-systems
Joomla is a free and open-source CMS that's mobile and search-engine friendly, multilingual, and flexible, with more than 5,000 extensions. It ...