FreeBSD uses bhyve as hypervisor!
So.. no questions we are using FreeBSD for web, mailing, devel, for everything.
Now we would like to drop KVM / ProxMox solution.
However ProxMox is very handy.. and yet no webadmin for bhyve which also enterprise ready.
We started to make one.
Mabye it worth to mention we already overthinked so multi-node ready out-of-the-box, that means one webadmin can handle infinte servers, however we made it as simple as possible.