WowAce

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

Group interrupt cooldown tracking.

Provides the ability to suppress specific spellcasts like "Deaden" from your casting bars.

SmartQueue

Dailies Quest Tracker

RaidGroupNumber

ClosetGnome_Mount

Helps you decide which ability to use next according to priority you set

Powerleveling guide framework

FuBar_RLAssistFu

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

GetInLine

Cartographer_nnTrainers

FuBar_KTMFu

Automatically sells low quality gray items and selected white items to the vendor.

Uses guild notes to add alts' main names to chat windows and other places

DotDotDot

CharacterInfoStorage

Cartographer_Treasure

Mana Regeneration Information