WowAce

Tracks whispers and conversations

FuBar_FuXPFu

ColaLight

Tracks the precise arrival & departure schedules of boats and Zeppelins around Azeroth and displays them on the Mini-Map and ...

Simple quest item bar.

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

Sheppard

Improve your barbershop experience with appearance profiles!

Creates virtual cyphered chat channels over guild addon communication channel.

FuBar_WhisperFu

SmartQueue

MobHealth

Allows you to prevent addons from sending and receiving messages.

Hemlock

Cartographer_Noteshare

Heads Up Display with Player and Target Info

Simplifies GDKP bidding processes

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

An addon to assist with organizing healing in a raid set up.

Inventory and bank organizer.