WowAce

What did you just loot?

Shows you which bosses you've killed next to the raid finder frame.

Library to provide non-explicit cooldown tracking and callbacks.

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

Enhances the Equipment Manager to let you control the helm/cloak visibility for each set.

Quickly builds /target macros for immediate use.

MorgBid

Makes grid QuickHealth aware

Set the clicking action for Grid buttons

CleanShot

Suppress chat messages when specified items are looted

BossList

A library to help with localization of classes.

Adds a Friendly Fire mode and data collection to Skada.

Light-weight enhanced casting bars

Powerleveling guide framework

Announce which globule to kill during the Yor'sahj the Unsleeping encounter.

A system config addon to WOW

TagCompiler-1.0

Keeps an eye on someone's distance from you, and alerts you if they get too far.