WowAce

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

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

AddOn development framework

Universal Library Stub

Callback handling Library, normally embedded inside other libraries

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

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

Compression and Decompression library

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

UIFrameFlash to Animation conversion library for Floating Chat Frame functions.

LibDataBroker-1.1

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

Timer bars with that extra sweetness.

Handy notes for your maps

Adds spec switching support to individual AceDB-3.0 databases.

Toss those bugs inna sack.

Grabs bugs for the bug sack.

Simple and Advanced combined - Bartender4 ActionBar AddOn

Library providing multi-column tooltips.

A library for transmitting and receiving latency information of players.