WowAce

Allows combined aura detection. motw + gotw, all 4 mage int buffs, etc. in one status.

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

DebuffEnough

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

Provides extended aura status settings.

SalvationKiller

A raid buff tracker

Spell overlay customization and spell state HUD.

Bars showing amount of buffstacks

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

Adds aura indicators to unit frames

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

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

Calculates incoming damage avoidance and mitigation

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

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

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

Automagically call who should cross over

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...