OpenPaaS

[girish]

https://open-paas.org

The open source collaborative platform

The GAFAM-free alternative

[Hillside502]

OpenPaaS - Platform as a service - Wikipedia
https://en.wikipedia.org/wiki/Platform_as_a_service#Open_PaaS

Source
https://github.com/linagora/openpaas-esn

Running OpenPaaS from scratch with Docker - YouTube
https://www.youtube.com/watch?v=_i52Hrzkc7g