WowAce

TunnelVision

A simple addon that warns you if your pet isn't attacking while you're in combat.

Right-click on minimap blips to open a targeting menu (out of combat).

FruityLoots

Shows at-a-glance what raid buffs/debuffs you have.

A library to try to guess a level of a player.

XML import library

Drops the least valuable item in your bags to make space.

Quest information

Shows optimal target to use various area healing spells

cyCircled

FuBar_ReloadUI

Quickly builds /target macros for immediate use.

lugMD

Profiler of the Lords of the Zodiac guild.

A library to help with localization of Archeology dig sites

LDB display for Oak Interrupts Broker

PiraPlex

Swap a random tabard every time you visit the bank if you are wearing one

LDB data feed plugin designed to display various statistics derived from the Recount addon.