[Imustaskforhelp]

Its usually WHMCS + virtfusion

There are alternatives but usually all just go use these for some reason

This is also why a lot of these websites might look similar as well.

[tn1]

WHMCS is probably the easiest batteries-included tool for the job, giving billing, management, and a customer support portal. These could be unbundled or reinvented but for your average hosting company there's no point in doing so.