WowAce

Allows for gold tracking across multiple time frames

Make the unit frame fade if out of range.

Shows at-a-glance what raid buffs/debuffs you have.

Reports the total threat on a mob at the end of combat.

Opacity effect on action buttons in cooldown.

MouseLook

autoLFG

Displays Currencies as a Data Broker source

A library that tells wether a item is a quest item or not (equipped or in bags)

Status indicator that shows if a unit is hostile (probably mindcontrolled)

TableInspector

Creates a broker plugin for all your broker launchers

Enables the setup of the Shaman "Call of" spells

AllYouCanEat shows information about the following statistics: beverages, foods, bandage types, potions, elixirs and flasks.

Keeps an eye on someone's distance from you, and alerts you if they get too far.

LootWhore

FuBar_FromAViewToAKillFu

Automatically switches Profiles of addons when changing spec

Adds an additional spell alert if you have more than one charge of a buff that is normally tracked by the in game spell alert...

Wrapper to convert HealComm data from 3.0 to 4.0