WowAce

Lets you drag UI frames around

UnitActionBars2

DynRepBar

Broker launcher that switches specializations when clicked. Also hides spell learned spam.

Displays events from Calendar for upcoming week in tooltip.

A fully featured library tracking all ongoing absorb effects

Client for MagicDKP which handles standby calls and bidding on items.

Send Mail to Groups

Reserve raider tracking for EPGP.

Configurable dynamic combat logging extender module for TweakHub.

Provides bang-whispers for your professions.

Advanced Chat Filtering and Spam Blocking Addon

Animated target indicator

ShammySpy

Reports the total threat on a mob at the end of combat.

Makes grid QuickHealth aware

Swap a random tabard every time you visit the bank if you are wearing one

Deformat

MultiTips

Displays Currencies as a Data Broker source