WowAce

Simple loot specialisation display with selection in tooltip.

Pet Theory

Adds custom layouts for Grid

Prospecting and Disenchanting Aide

Creates a broker plugin for all your broker launchers

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

Addon management panel extreme release edition

TrackingInfo

tekProber

Prints a message in your default chat frame when someone in your group gains an aura.

Buff reminders and more

Cartographer_NoteTarget

Adds easier gear switching to FuBar.

WoWonid

Colors friends/bg score board/who list names by class color

Spy on your guild.

Announces results of readychecks to the raid/party, installs "/rc" alias, shows rc timer bar

PoisonSwapper automatically manages weapon swapping for maximum DPS

A frame designed for each specialization of druid's watching their main power and important buffs/debuffs

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