WowAce

Managing and viewing loot-type rolls

Cataclysm Currency and Honor Calculator.

Displays the internal cooldown of Eclipse as a ClassTimer bar

Displays a table for possible outcomes of incoming hits with their probability

Show a relative threat bar.

BiSList allows you to configure your BiS items list, and keep track of how far you are from them

RaidInfo

What Killed my Grounding Totem

Automatic ammo reloading and selection, with warnings.

Tracks the gain of experience and money.

Blows the whistle on whoever used a Toy Train Set

Automatic tracking of the current target's creature type. For the discerning PvE hunter.

Toggle chat bubbles with click or keybind. Totally borrowed the code from ZombiePope

Creates an Auctionator's shopping list with all recipes your alts need based on Altoholic data.

Provides info about spell teaching items.

GemCensus inspects people and records which gems they have socketed. Then displays which gems are the most popular.

EatTheFeast

Aspect checker addon for Hunters.

Simple raid waiting list

Simple quest item auto keybinder