WowAce

Show helper indicators for units conditions (buffs, states, etc).

MarySue

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

FuBar_FuzzyClockFu

Shows on the minimap where to fetch Finklestein's reagents

Sunwell Plateau assistant. Provides "un-ignorable" overlay notifications for Brutallus/Felmyst/Twins. Felmyst warnings includ...

Prevents accidental target deselection while looting caused by deselecting the target

Show all characters' currency in the currency tooltip

Metrognome

Translates the received text icons {cross}, {skull} etc in your local language for multilingual raids

Says "aloud" the NPC's texts

Caser

Time/date display for FuBar.

NinjaPoints

Automatically switch the hunter tracking based on the selected target

Gemologist

CombatFilter

Minimalistic group roll frames.

BabiiSkulls

Enables autolooting when a fishing pole is equipped and disables it afterwards.