Custom EntityDisplay / GUI above players head

*I’ve been searching for over an hour now for a new GUI above the players head, the thing that display their username and HP, the default one is very simple and boring.

I’ve seen many servers with custom ones but I don’t know the real name for it so I’m finding it hard to search for them, could anyone point me in the right direction?
I need one with the Users HP, Job, username like this:

This is what I’m talking about:

Thanks in advance.*

bump bump