Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
CORA for iOS - Manage your social media automatically
ClassicPress - The WordPress fork. No Gutenberg. Great future!
Buffer for Instagram - Plan, track, and analyze your Instagram marketing
TYPO3 - TYPO3.com - Infos, SLAs, Extended Support Versions and more
Postly - Turn your photos into REAL beautiful postcards. Available on iPhone, iPad and Android. Make friends and family smile with a postcard!