WowAce

Fires events whenever a raid member "fails".

Tool for easy task assignments in raids.

Emerge@Durotan-EU Raid Tracker

Assistance for the Ra-den encounter. (Unstable Vita order, ball kill order)

Shows loot information in item tooltips

FuBar_RLAssistFu

Raid level alternative player power warning (Atramedes, Cho'gall, Lord Rhyolith)

GetInLine

Display who crossed the charges on Thaddius

NRT_EPGP

A boss encounter engine used by other add-ons

EasyDKP

fmBuffCheck

Shows a window displaying any raid member below 10,000 health during the Chimaeron encounter.

Displays a reliable cooldown timer for the Shaman Ascendance ability

The ultimate in lazy Ulduar raiding

Does a /who search of multiple dungeons.

Uses linear regression and a log of hitpoint values to estimate how long a boss has left to die and reach execute range.

aX_RaidStatus

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