WowAce

RapidCast

CraftList

Shows a frame to track your debuff on Malygos in phase three.

Embeddable library to track raid/party roster

Library for tracking cooldowns of other players

Simple oRA3 Maintank Target Frames, based on oUF

Helps you keep track of your experience.

Overlays Archaology digsite icons on the flightmap

A simple, zero config, trash item seller

PartyToGo

GoldenRun

Puts a timer in /yell when you get Unbound Plague during the Heroic Professor Putricide encounter

Create reagents easily

NextStep

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

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

PerfectTargets

FuBar_NetStatsFu

Allows communication to be shared across realm through Battle.net.

FuBar_AlarmClockFu