WowAce

Tank statistics Data Broker plugin.

XML import library

Loudmouth

Shows guild and system message of the day only if either one of them has changed since the last login.

Facilitate better communication for loot councils

Customize the PlayerPowerBarAlt display

Calculates incoming damage avoidance and mitigation

AbacusLib

Cartographer_Fishing

MonkeyPirate

A clone of the FailBot mod. Announces raid member failures such as "Player1 fails at frogger"

Drops the least valuable item in your bags to make space.

LDB data source displaying rested XP for whole account

Tells you which blob to kill at the Yor'sahj encounter in Dragon Soul.

Reminds you if your flask/elixir and/or Augmentation Rune and/orfood buff is about to expire or has expired

Combat log evolved.

Angry Boss Reminders helps raiders switch to the proper talents, glyphs, and gear for each boss during a raid.

Displays an alert whenever you loot an item for the first time.

A noble spirit embiggens the smallest player arrow.

A simple addon that warns you if your pet isn't attacking while you're in combat.