WowAce

Combat statistics for World of Warcraft

This is an addon that makes you one 16th of a block.

Text notification for stat Changes.

Emoticons (of all variations) in all chats in 3.3.5

Provides achievements for boss encounters

Tracks loot you want to obtain allowing multiple pieces in each slot ordered by progression path.

Garrison mission management

Item rating based on your personal stat weightings

Just a better way to loot.

Creates a row of buttons showing you how many bosses you've cleared in each LFR

No Heals for You

Raid Officer Chat

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

DragonDrop

Let everyone know how much fail they are

Blizzard raid frame enhancements

Sanguosha

Helps to organize duel tournaments

FastIgnore

Pooze SQL Exporter