WowAce

Adds macrotext to action buttons without the need to create new macros for each button.

CritSounds - Critical Hit (+heals) & Killing blows.

A library for sending addon messages over the battle.net chat system

AWbags

Simple addon to enhance the moderation of private channels

Calculate what potions can be made from mats on hand

Quickly builds /target macros for immediate use.

framework for in game tutorials

Mail Minion

Warns you when yourself and party members reach a certain percent of health.

Restocks your reagent supplies when you are short supplied..

Easy frame to show your coordinates

easy frames to use in raids

Adds a BankItems column to GnomeWorks Frame

Let everyone know how much fail they are

HTML containers for WoW

Sanguosha

Allows customization of player names, and colorization of names to match the border color.

Scans the AH and your bank/bags and finds the cheapest way to make your next skill point in your professions

DragonDrop