WowAce

A library that maintains a cache of items and their types.

Allows combined aura detection. motw + gotw, all 4 mage int buffs, etc. in one status.

Keeps track of people who have recently sent you messages.

Vox

TunnelVision

Automatically restock items from vendors and your bank

Adds notes to item tooltips

Avion

Simple DataBroker plugin to display current GuildLevel, current GuildXP, max GuildXP & percentage actually earned of daily ca...

BagSync

"Your quest log is full". How many quests do you have in your log?

Overlays Archaology digsite icons on the flightmap

A raid buff tracker

mHud_Threat

EBB-inspired buff bars with click-to-remove support

Makes the Blizzard options frame movable and resizable

KC_PlayerFramePlus

Shows a countdown bar for the duration of auras (e.g. HoTs, DoTs)

LibRockComm-1.0

Enhance Shaman Cooldown Tracker