WowAce

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

Separate indicator for your HoTs with timer.

FuBar_MicroMenuFu

A full package of auras for all 3 Shaman specializations

Alternate Rune Display

Creates virtual cyphered chat channels over guild addon communication channel.

Incubator

Sorts the Wardrobe

Adds Outfitter set filters to AdiBags.

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

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

Manages tracking of raid attendance, loot, and more.

Improved Quest Tracker

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

adds navigation buttons to Encounter Journal

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

Automagical macros for each talent tier.

Keeps track of space left in your bags.

Detects specific CDs and spellcasts

Test whether the player can really dispell a buff or debuff, given its talents.