WowAce

Automates bites during the Blood-Queen Lana'thel encounter in Icecrown Citadel

Tracks the HoTs you cast.

Keeps track of HoTs, DoTs, Buffs and Cooldowns. With audio and text alerts to refresh them.

Allows tradeskill usage by clicking items or reagents.

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Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.

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Checks your gear before bosses and yells at you if you're an idiot

Alternate Rune Display

Creates virtual cyphered chat channels over guild addon communication channel.

A full package of auras for all 3 Shaman specializations

Separate indicator for your HoTs with timer.

Keeps track of performance of memory, latency, and framerate.

Adds Outfitter set filters to AdiBags.

Improved Quest Tracker

Some handy events that should exist in the default UI

Adirelle's unit frames, based on haste's oUF.

Manages tracking of raid attendance, loot, and more.

Modular and lightweight party/raid frames.

Sorts the Wardrobe