WowAce

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

Filters unimportant Buffs.

Secure Clickable Buttons for Grid2 cells.

Tracks spiritual innervation on Garajal

Vigilance tracking for Protection Warriors

ViperWatch

Adds Weapon Buff status to Grid2.

cLayout

This Addon will show the raidmembers with the lowest mana so you can see the potential targets for your hymn of hope.

EatTheFeast

An enhancement to the built-in raid frames to change color for debuffs.

Timer bars for your abilities on your target

SalvationVeto

Tracks buffs/debuffs you dispel, and displays them upon request.

Flashes Health bar when life drops under a specified percent.

Ich bein ein timer.

Soundfile and Message Information for InstantSpells.

CatFight

Highlights the action bar spells that need to be kept on target or player

Provides compact ability duration bars for many cycle dependent classes.