This one-purpose web-app is designed with one goal in mind...to wake up sleeping hosts on the network. Using Wake on Lan those slacking machines will be woken up, provided they support WoL and have it enabled in their BIOS/PROM/etc).
wakemeup can be installed using NPM with:
npm install wakemup
Or you can clone/fork this repo. and then run it (after configuring config.js):
Copyright (C) 2012 Jasper Lievisse Adriaanse email@example.com
Distributed under the BSD license (see the file COPYING).