WowAce

Floating Combat Text of awesomeness. Caw. It'll eat your crackers.

Automatically switches Profiles of addons when changing spec

Allows the user to customize the the tooltip with lua-scripts

Shows the duration of the most recent (or current) combat

Posts a BigBrother-QuickCheck to the raid-channel when a readycheck is started

Displays info about who rolled Need/Greed/Pass on items that are currently rolled for

switches Bartender4-profiles when changing spec

Bars showing amount of buffstacks

FuBar_HealthstoneFu

Determines who really failed at Defile during the Lich King encounter

Minimal KoS-list-addon

StatBlock_Healthstone

FuBar_WhoRollFu