I use [url=http://www.anagramgenius.com/]AnagramGenius[/url, myself. I splashed out and paid for the full license. It's worth it when you can get things like the anagram of my nephew: "That horrible wimp screeches".
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'