WowAce

Helps you see the Halion's Corporeality during phase 3

Simple, nice-looking power bar addon for all classes.

Enables cooldown notification between players and allows party members access to each-others spell books.

Never forget which one in that 5-mob pull casts what spell again.

ERP

Shows who controls Wintergrasp and the time until the next battle.

Customize the appearance of the chat bubbles.

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

LDB data feed plugin designed to display various statistics derived from the Recount addon.

WoWonid

Shows loot information in item tooltips

WhisperBid

Fancy up the PlayerPowerBarAlt frame

Allows movement and scaling of class-specific resource displays

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

A noble spirit embiggens the smallest player arrow.

Makes grid QuickHealth aware

Tracks Black Market Auction House auctions.

Drops the least valuable item in your bags to make space.

Automatically and immediately cancels all in-game cinematics and movies