WowAce

GCInfo

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime

Adds your damage to Scrolling Combat Text

Displays a grid of guild ranks versus permissions.

Short EPEEN

EUF is an enhance of wow original unit frames, provides hp with both value and %, and optional 3D portrait. Simple and Useful.

BossList

What did you just loot?

Tracks Black Market Auction House auctions.

LDB data feed plugin designed to display various statistics derived from the Recount addon.

DebuffEnough

Replacement of build-in loot frame

Embeddable chat throttling library with traffic shaping and priorities

Assistance to the dance during Dread Spray

Raid target control and instance shortcuts for Broker

Adds two icon indicators to each corner (total: 8 icon indicators).

ERP

Displays a reliable cooldown timer for the Shaman Ascendance ability

Adds pipes which can control arbitary other statuses (like toggle status on key or "in combat"-state).

ArenaHistory