WowAce

GearRating

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

MiniChat

FuBar_switcherFu

Cartographer_Fishing

Go quick, or go home!

Shared handling of media data (fonts, sounds, textures, ...) between addons.

Reminds you to Life Tap and Dark Pact

Allows customisation of login/logout system messages.

Shows current/dot cast haste values

Check the quality of wild battle pets

Simple, nice-looking power bar addon for all classes.

BananaBar2

obRaidAssist

Provides training reminders to help decipher the Blizzard Spell Alerts.

Handles the assignment, coordination, and announcement of many parts of the Lich King encounter in Icecrown Citadel.

Automatically sells low quality gray items and selected white items to the vendor.

Splut

Timerbar embeddable library

InventoryLib