WowAce

Makes it very easy to collect rare battle pets.

AntiInvite

Raid cooldown assignments for healers

Tracks Black Market Auction House auctions.

FuBar_LootTypeFu

Experimental timer library that uses the Animation system as a scheduler.

StatFrameLib

Surfaces

Simple Bars for your Shaman's weapon buffs and shield spells.

Pick Pocket Countdown Timer for Rogues.

Make your whole party/raid aware of whats happening during and after a readycheck

Simple raid waiting list

Unit testing framework for World of Warcraft addon development.

Shows you a typing indicator when people are typing to you.

Records mail when visiting the mailbox to make keeping track of mail and expiration dates easy.

KivinSpamGuard

Hold a key to temporarily center and magnify the Minimap.

Voyeur

TableInspector

Library to provide non-explicit cooldown tracking and callbacks.