The @[email protected] #internetHealthReport interviewed Frank Karlitschek about self-hosted cloud alternatives. Worth a read!
https://internethealthreport.org/2019/an-open-source-alternative-for-the-cloud
An open source alternative for "the cloud" — The Internet Health Report 2019

Cloud services have become the default tools many people use to get their work done. But this can mean giving up privacy and control. Some open source alternatives are now offering tools to put people back in charge.

The Internet Health Report 2019