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

Compression and Decompression library

UIFrameFlash to Animation conversion library for Floating Chat Frame functions.

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

LibDataBroker-1.1

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

Timer bars with that extra sweetness.

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

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

A Replacement for standard UIDropDownMenu

Adds spec switching support to individual AceDB-3.0 databases.

Handy notes for your maps

Library providing multi-column tooltips.

A library allowing for easy creation of graphs

A library for transmitting and receiving latency information of players.

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