WowAce

Embeddable library to track raid/party roster

Persists collapsed state of headers across wow sessions.

Provides the ability to suppress specific spellcasts like "Deaden" from your casting bars.

Adds a Friendly Fire mode and data collection to Skada.

Adds indicators to the sides of Grid frames.

On login, displays changes to your guild since the last time you logged in.

Necronomicon2

Configuration library

Lets you drag UI frames around

Shows learned recipes of all characters.

Lag tolerance module for Broker displays.

trade history log, recent trade list by [email protected]

Tracks whispers and conversations

Instant SLAM! notification

Adds the toon name to the alert that your RealID friend has come online.

Simple Spell Alert

Battleground Timers in a HUD around the Blizzard BG status

DHUD2

A PitBull4 module which shows an arrow that points to raid members

SanityItemCache