WowAce

Simple library that handles multiple levels of logging.

Warnings about tanking specific abilities

FuBar_RLAssistFu

EyeCandy

Privacy2

TipHookerLib

Status indicator that shows the remaining of value of Powerword shield.

Toolset for tanks, providing information on taunts and other valuable information.

Draws some lovely 3D portraits in the standard Blizzard artwork.

Tell you where all the daily elite pets are

Taggle

Tracking and ranking of dps/hps in a guild.

Display the global cooldown around your cursor. (+ other stuff)

Tracks profession specific cooldowns and items across all your characters

vChat

PetBar

Hemlock

TextSpy

QuestAnnouncer

BananaBar2