RUDDER is a European, open source and multi-platform solution allowing you to manage configurations and compliance of your systems. Based on Continuous Configuration, we combine configuration management and continuous audit."

• https://www.rudder.io
• https://github.com/Normation/rudder

I can see some synergies between this and the usage of Cloudron for the Webapps by those working as Value-Adding Resellers and Managed Service Partners.