WowAce

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

Vengeance module for Broker displays.

Displays information about the current zone on the World Map

CBRipoff

Historian

Shows the health of the player's current bodyguard.

xchar

vChat

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

Considers an item against all the items you have to determine whether or not it is an upgrade

Simple library that handles multiple levels of logging.

Give logical progression of Mining, Herbalism & Skinning. Will not be updated with WoD zones

mDarkPact

item2phpBB

Show all the orbs for triggering Kosumoth

Prompts for canceling of pet battles if no rare pet is found in the opposing team.

Evaluates your gear

ElectrofluxTextronator

DreamChat

Makes tracking reputation much simpler. By InSo(v)nIaX