There are quite a few listed here:
http://www.wowinterface.com/downloads/cat22.html
In addition, you could check out ForteXorcist or DoTimer.
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"You'd be surprised how many people violate this simple principle every day of their lives and try to fit square pegs into round holes, ignoring the clear reality that Things Are As They Are." -Benjamin Hoff,
The Tao of Pooh