WowAce

DebuffEnough

Test whether the player can really dispell a buff or debuff, given its talents.

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

Provides extended aura status settings.

A frame with a text that gives you the amount absorb left on target, or in TankMode absorbs left on yourself.

A raid buff tracker

SalvationKiller

Spell overlay customization and spell state HUD.

Bars showing amount of buffstacks

Adds aura indicators to unit frames

EBB-inspired buff bars with click-to-remove support

Calculates incoming damage avoidance and mitigation

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

Keeps track of important de-/buffs in a splash screen

Shows at-a-glance what raid buffs/debuffs you have.

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

Shows a countdown bar for the duration of auras (e.g. HoTs, DoTs)

Provides training reminders to help decipher the Blizzard Spell Alerts.

Adds an additional spell alert if you have more than one charge of a buff that is normally tracked by the in game spell alert...

Automagically call who should cross over