Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Viventium - Viventium is a cloud-based payroll and human resource software solution designed for small to midsize businesses.
ClassicPress - The WordPress fork. No Gutenberg. Great future!
Tribe HR - The best Online Human Resources Software for small & medium businesses, simplifying frustrating HR management challenges.
TYPO3 - TYPO3.com - Infos, SLAs, Extended Support Versions and more
PeopleGoal - PeopleGoal is a cloud-based employee performance management solution.