Clever Cloud[0] is a PaaS, has an API, UI and CLI as well. While it's not open source, we do however open a lot of things on our Github[1].

[0]: https://www.clever-cloud.com/en/

[1]: https://github.com/CleverCloud/

Heptapod has forked Gitlab to use mercurial instead of git https://about.heptapod.host

Thanks, it's a pretty cool product too. (yeah I work there)

I assume these guys have their own network controller and kickass optic fiber links. Network attached storage in poor cloud environments leads to issues.