WowAce

Gives detailed descriptions of particular localities, as zones or instances, and provides optional TomTom integration.

Review any raid or party members recent incoming combat along with health level.

A Mount and Companion manager

Quest library for mob location and other information

Cryolysis 2

Stores a browsable database of spells that mobs cast

Pins on the World Map for quests you have not completed yet

Shows your FuBar addons in your LDB display.

Cartographer_Treasure

Open inventory items with 1 button

Enables user defined sounds for Party, Guild, Raid and Custom Channel chat messages.

Proximo

Adds a button to the quest completion interface which allows you to auto equips selected quest Item after completion

Keeps track of your reagents for buffing.

Friends & Guild Data Broker plugin.

Objective Tracker

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

Automates bites during the Blood-Queen Lana'thel encounter in Icecrown Citadel

YssGuildShop

Raid Frames using the oUF framework.