WowAce

Onyx skins for Masque.

Collectinator is an addon which will scan your pets and mounts and provide information on how to obtain them.

Database of important locations for HandyNotes

Shows you a much bigger icon selection frame

Create panels for customizing your UI, sucessor to eePanels

Database of Diminishing return categories and general data

Library that tracks incoming heals

A Friend-Enemy-Unit-Frame for battlegrounds.

Archaeology Assistant

Configurable Castbars

A library to provide unit-oriented tags to LibDogTag-3.0

A library to provide a markup syntax

Item stat breakdown, analysis and comparison

Sells all junk in your inventory at once.

Am I locked out? - Displays all RaidIDs for all chars

Numerical and graphical display of Combo Points and similar buffs/debuffs. Also tracks Holy Power and Soul Shards.

Provides access to all Portal and Teleport spells on right click of one button.

LiteStep skins for Masque.

mount and companion manager

Aloft