The wiki doesn't bite, neither does the search button.

That being said there are a lot of alternatives, although none for windows will give you the ease of use that keyclone will give you. If your hurting that much financially that you can't afford the one time purchase of keyclone that's only slightly more than a 1 month sub you might consider your choice of paying a monthly fee on multiple WoW accounts.

Check out http://www.dual-boxing.com/wiki/index.php/Software for a list of alternatives.