WowAce

Enable/Disable addons for your character in game

Talented_Data

FuBar_PoisonReminderFu

Bind spells, items, and macros to keys, without using action buttons

SurgeonGeneral

Provides data about all artifacts in the player's possession.

Displays the time until the next battle and more.

Suppresses chat messages from damage meters and provides single chat-link damage statistics in a popup.

Disease Tracker for Death Knights.

Don't underestimate your little critters!

It's a doodle pad for doodling with doodles.

Displays the locations of Garrison music scrolls.

FuBar_WindFuryFu

TomTom CrazyArrow pointing to the targeted group member

Omnibus

PT3Bar

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

An Atlas Plugin that displays arena maps.

Shows the mirco menu and game menu in a clickable broker tooltip. Also shoes fps and latency.

Note + rep tracking for players, with guild data sharing.