WowAce

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

Swiss Army knife for instances, including player tracking, ignore buttons, loot tracking, notes, and more.

SmartQueue

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

Creates a broker plugin for all your broker launchers

Needja Tracker

LibRock-1.0

A 'channeling spell'-tracking addon for Affliction Warlocks. Drain Soul, Drain Life/Harvest Life and Malefic Grasp.

An extra set of 11x3 buttons, integrated into the default action bar.

A death track window for Recount

FuBar_SoulJarFu

oUF element for highlighting debuffs that are dispellable by the player

Interface-central mount management

Displays bars depending on your professions

PerfectTargets

Heal and decurse by clicking on customizable raid/party unit frames

Paints your known blueprints red.

LibDogTag-2.0

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

Monitors for friendly deaths and announces them as in Myth: The Fallen Lords