WowAce

OneBag

Provides the the health and target of by an unit targeted mob (meant to be used for tanks).

GridAlert

FuBar_CombatTimeFu

Allows the user to customize the the tooltip with lua-scripts

Add-on that shows in a unit tooltip window a number of killed mobs of the same kind

Calculates incoming damage avoidance and mitigation

OneBag is a replacement for the default game bags that combines all the bags into one frame.

LibDataBroker plugin showing some random XP related data

Insanity resource tracker for shadow priests.

Lists Pots and Herbs you got on all chars and allows you to specify color coding

AbacusLib

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

Shows who controls Wintergrasp and the time until the next battle.

Make it easy to explain bosses in Raids.

Piece of mind by being one with your class.

Set the clicking action for Grid buttons

rSelfCast

A module that lets you find out what today's dailies are without having to visit the quest givers.

Crowd-control monitor