WowAce

Tracks Black Market Auction House auctions.

DebuffEnough

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

Short EPEEN

Historian

AuctionSort

Test whether the player can really dispell a buff or debuff, given its talents.

MaxStats

Replacement for the default nameplates.

Embeddable chat throttling library with traffic shaping and priorities

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

Rawrkitty

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

A death track window for Recount

Assistance to the dance during Dread Spray

Adds resurrection, resurrected and soulstone status to Grid2. Uses LibResComm-1.0

Parkour puzzles throughout the world.

Replacement of build-in loot frame

A 'channeling spell'-tracking addon for Affliction Warlocks. Drain Soul, Drain Life/Harvest Life and Malefic Grasp.

Shows who controls Wintergrasp and the time until the next battle.