WowAce

Replacement for the default UI's StaticPopup dialogs.

An intuitive keybindings library.

Creates and manages secure Action Buttons

Timer bars with that extra sweetness.

Does stuff for sachmo

A library to help with localization of races.

Replacement for ActionButton_Show/HideOverlayGlow APIs

A Replacement for standard UIDropDownMenu

A library to help with localization of bosses.

A library to help with localization of the output of UnitCreatureType.

A library to help with localization of factions.

Shared handling of alternate identity data between addons.

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

A library to provide a markup syntax

Database of Diminishing return categories and general data

Library of compressed itemid sets.

Queing of /who and SendWho() queries and a much better interface (see docs), with gurantee to be executed & callback.

Provides one or many frames for dumping text into.

an embeddable library providing an abstraction layer for tracking and querying Blizzard's Nameplate frames with ease and effi...

Grabs bugs for the bug sack.