OpenNebula is a cloud computing toolkit which is used to manage heterogeneous distributed datacenter infrastructures. And it controls a data center’s virtual infrastructure to build private, public as well as hybrid implementations of IaaS. Source: about 1 year ago

Since it hasn't been mentioned I'll throw https://opennebula.io/ out there for this. Source: over 1 year ago

Probably Opennubula ( https://opennebula.io/ ) will satisfy your requirements. Source: over 1 year ago

Have you looked at open nebula (https://opennebula.io/)? Haven't used it myself, but figured it was worth mentioning. Source: over 2 years ago

> ‘roll your own cloud’ is becoming more feasible https://opennebula.io is worth looking at for that sort of thing (not that it's new). You don't have to do it that way, but its "edge" support for simple provisioning on bare metal providers doesn't include Hetzner; I think it assumes you can get instances on demand. That sort of solution isn't complex or expensive enough for my site, and doubtless others,... - Source: Hacker News / over 2 years ago

When you are writing code for a project, at some point you're gonna have to come across user logins. To perform user specific tasks, to save user data and to do various kinds of stuff, user accounts is a mandatory feature in any system. But building a fully fledged login system is not so easy: especially having the flexibility to incorporate many kinds of login options (Email and password, Social Logins, Magic... - Source: dev.to / over 2 years ago