WowAce

Allows addons to easily create a lightweight minimap icon as an alternative to heavier LDB displays.

AddOn development framework

Universal Library Stub

Shared handling of media data (fonts, sounds, textures, ...) between addons.

Callback handling Library, normally embedded inside other libraries

UIFrameFlash to Animation conversion library for Floating Chat Frame functions.

Compression and Decompression library

Timer bars with that extra sweetness.

LibDataBroker-1.1

A Replacement for standard UIDropDownMenu

Enables AceGUI-3.0 widgets for the 5 basic SharedMedia-3.0 types

HereBeDragons is a data API for the World of Warcraft mapping system

A powerful, comprehensive utilty for displaying graphics and information based on buffs, debuffs, and other triggers.

Adds spec switching support to individual AceDB-3.0 databases.

A library for transmitting and receiving latency information of players.

A library for transmitting and receiving durability information of players in your group.

Keeps track of group members and keeps an up-to-date cache of their specialization and talents.

Database of item upgrade IDs

Simple AceGUI3 dropdown item classes for font/statusbar/sound/etc.

Library providing multi-column tooltips.