ClassicPress - The WordPress fork. No Gutenberg. Great future!
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Muzzle - Silence embarrassing notifications while screensharing
TYPO3 - TYPO3.com - Infos, SLAs, Extended Support Versions and more
Upscope Screen Sharing for Intercom - No-downloads screen sharing fully integrated with Intercom.