WowAce

PowerPoint goodness for your addon

Mute error messages of N next spell cast.

Don't accidentally solo queue BGs when in a group!

Adds tooltip for debuffs (and other things? you found out: no).

pMutilate

Modifies all action buttons to selfcast on right click

Tracks if the target does NOT have the tracked DOT.

Minimalistic group roll frames.

Colors friends/bg score board/who list names by class color

DreamChat

With Mists of Pandaria Blizzard publish all characters from an account unless you disable that 'feature'. This addon warns you.

Show a bar indicating the unit's Burning Embers count.

CatPoints

Pre-Alpha of SpiderEyes power desplay. Do not distribute!!

Automatically sell junk, restock reagents and repair

Recap

A datatext for currencies that is highly costumizable, Includes a tooltip for hidden currencies

QuoteNoMore

A simple buff remover.

Buff and debuff timers with bars or icons.