WowAce

Status indicator that shows the remaining of value of Powerword shield.

TGuildFrame

LibDataBroker plugin showing some random XP related data

Shows Chat as Combat Text

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

Warns you with sounds when you gain different shaman spells.

Should I send that recipe to my alt?

FuBar_MonkeyQuestFu

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

Handles the assignment, coordination, and announcement of many parts of the Lich King encounter in Icecrown Citadel.

FruityLoots

A library to help with localization of classes.

GirlFriend

Lightweight time/date display with optional hourly chime.

vChat

Create reagents easily

A loot distribution addon meant to improve master looting during raids.

Display who crossed the charges on Thaddius

A Data Broker add-on for quickly switching your specialization with gear set and loot specialization.

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