RouterOS runs on many kinds of hardware. Of course on the MikroTik hardware itself (which always comes with a license), but also on x86 hardware, even virtualized systems.

In that respect, it looks a bit like pfSense, or Endian, but on steroids and closed source.

Here are some links focused on MikroTik on ESXi (which is great for experimental purposes):

WOL (Wake ON LAN)

Cool stuff you can do with your Mikrotik Router » A Day in the Life of Just Another IT Guy: WOL an ESXi machine from RouterOS).

–jeroen

via: Routers.