WowAce

BankAccountant

Collects, analyzes and presents information about the virtual economy.

Speeds up triggering actions such as items or spells by triggering them on key/mouse down rather than release

Stores a browsable database of spells that mobs cast

Keeps track of your reagents for buffing.

Simple display and management of Away / AFK / Busy / DND status via broker or minimap

Monk Brewmaster/WindWalker Priority and Buff/Debuff Tracking Tool

EUF is an enhance of wow original unit frames, provides hp with both value and %, and optional 3D portrait. Simple and Useful.

Adds two icon indicators to each corner (total: 8 icon indicators).

Simple and clean Death Knight displays

Tells you if you're buffed

Rep2 displays a message, which shows how much reputation you gained, and how much is needed until the next standing.

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

FuBar_OmenFu

Creates virtual cyphered chat channels over guild addon communication channel.

A popup menu containing user-programmable scripts.

Augmented Virtual Reality. Draw and add markers in the 3d world.

Allows you to browse your clients database

oUF element for highlighting debuffs that are dispellable by the player

Client for allowing the raid leader to gauge interest on items in a method similar to a ready-check.