WowAce

A library to get localized boss names from the Encounter Journal

Helper addon for the Zul'Drak daily "Troll Patrol: The Alchemist's Apprentice"

GlyphRecolor

Changes the quest log back to how it was before Patch 6.0.

Shift-clicking on a user name in chat shows a tooltip with their whois information.

With Mists of Pandaria Blizzard publish all characters from an account unless you disable that 'feature'. This addon warns you.

Takes a screenshot when you kill a boss or gain an achievement

Pre-Alpha of SpiderEyes power desplay. Do not distribute!!

TalentWhisper

MeleeBuffs

Notifies the raid when someone is Dazed.

Helps you keep track of your experience.

LDB data source for Instance Tracking

Medley

Bloodthirst

A Raid DPS Data Broker plugin.

PoisonSwapper automatically manages weapon swapping for maximum DPS

Minimalistic LDB plugin that allows tracking of raid IDs across characters.

Adds Blizzard, oRA2, oRA3, CT_RA MainTank or Dungeon Finder Tank icon (shield or MT, 1, 2 ... 10) or text (MT or MT1, MT2 ......

Out of Mana bar.