WowAce

Library to help with querying unit talents.

Broker add-on for GemHelper

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

Allows communication to be shared across realm through Battle.net.

Adds Friend and Guild options to the context menu of player units.

Assistace for Blackhand (Mortar warning in P2, custom says for bombs and marks in P3)

UnitActionBars

Control screenshot format and quality via LDB displays

Displays info about who rolled Need/Greed/Pass on items that are currently rolled for

Paparazzi

Simple loot specialisation display with selection in tooltip.

FuBar_AmmoFu

FelwoodFarmer

FuBar_tTracker

Expo

A helper addon for the achievements "Let It Snow", "Fistful of Love", "Shake Your Bunny-Maker", "Check Your Head", and "Turkey Lurkey"

Buff reminders and more

Smooth combat HUD based on ArcHUD2

Rawrkitty

Remaining and rested XP Data Broker plugin.