TweetMyPC - Home
http://tweetmypc.codeplex.com/

"TweetMyPC lets you shutdown/restart/LogOff your windows PC remotely."

nstallation and Usage: Download the setup file and Install. Go to www.Twitter.com and create a new Twitter account for your PC (This is optional as TweetMyPC only responds for updates). This account will be used by TweetMyPC to monitor for new tweets. Start TweetMyPC and then fill in the login details. Wait for some time for the application to verify your login details.