Author: Cocobolo Software, LLC
https://remoterebootx.com/remoterebootx
License: Freeware
Requires: Win XP/2003/08/Vista/Windows7

RemoteRebootX is simply the best remote reboot, remote shutdown, and wake-on-LAN tool available. Load a list of computers, highlight some or all of them, and then initiate the action of your choice.

Features:

Reboot or shutdown LOTS of remote hosts, simultaneously, while monitoring status in real-time with integrated pinging
Wake on LAN
No remote agent installation required! Simply launch RemoteRebootX and start rebooting.
Integrated task scheduler: Launch any task on a specific date and time
Retrieve the last boot time from remote hosts (very handy when rebooting computers)
Retrieve the list of services that are set to “Automatic” but not currently running on the remote hosts (diagnose bootup issues)
Retrieve the MAC address from remote hosts (required for Wake On LAN)

https://www.ryanvm.net/forum/viewtopic.php?t=9499