WowAce

Adds a confirmation dialog when crafting Bind-On-Pickup trade skill items

JasonQuest

Add lines to ore and gem tooltips that show prospecting sources/results.

Piece of mind by being one with your class.

Responds to DBM version checks, so that you don't have to.

KeyProfiler

Deformat

Helper functions used by my addons, feel free to use them in your addon too

Handles the assignment, coordination, and announcement of many parts of the Lich King encounter in Icecrown Citadel.

KC_Items

Enable/Disable addons for your character in game

NBuffBars

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

A Data Broker plugin to show AddOn memory usage.

Go quick, or go home!

Adanced Achievement Tracker is a smal tool to track Achievements

Cartographer_Herbalism

Welfare Epics

Saves Auction House search queries.

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime