WowAce

Plays sound when a ready check, LFG queue, battleground queue, or world battleground queue pops even if you have sounds turne...

Provides the /in command for delayed execution.

Co-ordinated targetless Party and Raid wipe recovery. Evolved

DaHud

Smart raid loot and DKP tracker with automated standby and learning

Add item levels to Inventorian

MorgDKP

HiveMind

Provides quick access to information on your group and their equipment, enchant and gem choices.

Shows class colors on player nameplates and names

Mutes various chat related annoyances while in capital cities and instances.

Henge

Ironi's Encounter Event Tracker

TabletLib

Highly-configurable shield / absorb tracker.

Tracks the HoTs you cast.

Target Debuff monitor. Stacking aware, giving current and potential debuff status.

A replacement tradeskill window

New/Old BG indicator, Join by ID, Quick Leave Queue, etc.

Rebuff yourself with the mousewheel.