WowAce

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime

This will keep track of how much you have paid per item in your inventory. Only one of (Auctionator, Auctioneer, AuctionLite,...

Swiss Army knife for instances, including player tracking, ignore buttons, loot tracking, notes, and more.

FuBar_RLAssistFu

FuBar_SoulJarFu

KivinSpamGuard

Dailies Quest Tracker

Keeps track of resurrection spells cast in a group

Makes the message dialog movable

Profiler of the Lords of the Zodiac guild.

RaidAgent

SurgeonGeneral Listen CLient

cgCrafty

FuBar_UIReloadFu

InstanceMaps

opens/closes all bags when at merchant (instead of only the backpack)

Gives a Smoother Quest Experience

ClosetGnome_Mount

A plugin for OneBag to make your keyring the same texture as OneBag/Bank.

Kenzo is a skin for Masque