WowAce

Allows custom-triggered boss mod timers to be created

Announces ooze kill instructions during the Yor'sajh encounter in Dragon Soul. Highly customizable with numerous helpful feat...

Audible Alerts for self-gain, self-lost, any-gain, all-lost of statuses.

Needja Tracker

Stable

TipHookerLib

Displays a variety of useful stats for tanking

Lexan

BagPress

Allows frames to be dragged around, without permanently changing their position.

Skills plugin for any DataBroker display.

Shows the price of a single item in the Auction House.

Collects and displays census information. This AddOn is licenced under the GNU GPL, see GPL.txt for details.

Simple Bars for your Shaman's weapon buffs and shield spells.

Customize the PlayerPowerBarAlt display

Enables you to see Chinese, Japanese and other languages in game

A library that tells wether a item is a quest item or not (equipped or in bags)

A volume control for Data Broker.

aX_RaidStatusConfig

Warnings about tanking specific abilities