WowAce

FuBar_CraftTimersFu

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

Filters AFK and DND messages after you've seen them once.

Provides quick notification (sound and visual) of your tanking status of your current target. Meant for tanking.

Spell overlay customization and spell state HUD.

A system config addon to WOW

MonkeyPirate

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

First Aid data for Ackis Recipe List.

ChatHighlighter

wRlog

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

Historian

Merchant, gossip and taxi tweaking module for TweakHub.

HealComm-2.0

Create reagents easily

Debuff Monitor: A Powerful & Configurable Raiding Tool

PreferredItems

ItemEnchantApplication

Adds custom effects to your cursor.