JustDelete.me is a page full of links. Each button represents an online service; anything from LinkedIn to Skype to Wikipedia.
Accountkiller.com is the website of choice. Make sure you are logged in. Check the option “Permanently remove my account” Confirm and you are gone! Deletion of their Messenger goes the same way as any other software you wish to delete. Start > Configuration > Programs/Software/Delete a program, or the like.
Don’t forget to check if your email has been hacked or used elsewhere on the net via www.hacknotifier.com.