Flextype
Sitecake
TYPO3
ClassicPress
Anchor CMS
Textpattern
ApostropheCMS
Microweber
docforge-API.vercel.app
CloudConvert
Flextype
docforge-API.vercel.appNo features have been listed yet.
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
CloudConvert - convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.
TYPO3 - TYPO3.com - Infos, SLAs, Extended Support Versions and more
ClassicPress - The WordPress fork. No Gutenberg. Great future!
Anchor CMS - Free and lightweight blogging system
Textpattern - Textpattern is an elegant content management system that is free, open source software.