WowAce

Makes those pesky garrison animations go away.

Ingela's Rapture is a lightweight and highly configurable addon that gives you a cooldown bar for the internal cooldown of Ra...

Deformat

Crowd-control monitor

A module that lets you find out what today's dailies are without having to visit the quest givers.

SurgeonGeneral Listen CLient

rSelfCast

Lets you drag UI frames around

Tracks Black Market Auction House auctions.

Animated target indicator

Lists Pots and Herbs you got on all chars and allows you to specify color coding

A 'channeling spell'-tracking addon for Affliction Warlocks. Drain Soul, Drain Life/Harvest Life and Malefic Grasp.

AnchorsAway

Taggle

Adds pipes which can control arbitary other statuses (like toggle status on key or "in combat"-state).

Shows learned recipes of all characters.

ItemEnchantApplication

Shows who controls Wintergrasp and the time until the next battle.

AbacusLib

Database of your death locations for HandyNotes