Advanced Port Scanner - Advanced Port Scanner is a fast and free software for port scanning.
WakeMeOnLan - Turn on computers on your local area network by sending Wake-on-LAN packets.
Wake On LAN Ex 2 - Free software from Joseph (AKA BootBlock) of http://www.bootblock.co.uk
WOL Magic Packet Sender - A free magic packet sender for Windows - wake-up computers with the touch of a button.
Dshutdown - Utilities freeware by Dimio, DShutdown, DSynchronize, HDHacker, DTaskManager and DSpeech
Wake on LAN Tool - Waking up, restarting and shutting down multiple computers made easy.