WowAce

Notepad for Lua scripts and mini-addons.

AtlasLoot wishlist match.

Reduces interface tedium by doing the little things for you.

Adds an icon to the best vendor option for quest rewards

Mini calculator

Adds an icon to item, spell, and achievement links

Replacement for the default minimap.

Creates a broker plugin for all your broker launchers

Replacement for the default nameplates.

Enables the filtering of items when you visit a vendor

replaces the EncounterJournal Map boss button with the 3d model of the boss

Profession launcher objects for any Broker display

Monitors for friendly deaths and announces them as in Myth: The Fallen Lords

Reduces achievement spam when a group of people earn the same achievement.

Adds trinket tags to SUF

Reports in raid chat whenever a raid member "fails." /EnsidiaFailsCataclysm to configure.

Helps you see the Halion's Corporeality during phase 3

Shows an arrow to your bite victim during the Blood-Queen Lana'thel encounter in Icecrown Citadel (your raid leader must be r...

Automates bites during the Blood-Queen Lana'thel encounter in Icecrown Citadel

Puts a timer in /yell when you get Unbound Plague during the Heroic Professor Putricide encounter