WowAce

PetBar

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

Historian

Automatically leaves the global channels when inside an instance/raid and restores them when exited.

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

Automatically generate and announce optimal spirit totem assignments during the Gara'jal encounter in Mogu'shan Vaults.

Makes those pesky garrison animations go away.

FuBar_CombatTimeFu

EQCompare

Provides data about all artifacts in the player's possession.

RainbowEnchants

Interface-central mount management

FuBar_KTMFu

Outdated! Please use 'XLoot', available on Curse and WoWI

Cartographer_Noteshare

Adds two icon indicators to each corner (total: 8 icon indicators).

Mob respawn timers

Loot management tool

Lexan

Makes tracking reputation much simpler. By InSo(v)nIaX