Backtracks - Advanced podcast analytics and hosting platform
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Anchor.fm - Record bite-sized podcasts that anyone can join ⚓
ClassicPress - The WordPress fork. No Gutenberg. Great future!
Comments by Highlight - Collaboration on Highlight makes debugging faster than ever
TYPO3 - TYPO3.com - Infos, SLAs, Extended Support Versions and more