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

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

Universal Library Stub

Callback handling Library, normally embedded inside other libraries

Handy notes for your maps

Simple and Advanced combined - Bartender4 ActionBar AddOn

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

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

Chat addon, filtering messages and UI changes

UIFrameFlash to Animation conversion library for Floating Chat Frame functions.

Scan for rare mobs so you can find them and their loot

Compression and Decompression library

Timer bars with that extra sweetness.

Give whispers an instant messenger feel.

Collects Herbs, Mines, Gas Clouds, Archaeology, Treasure and Fishing locations and adds them to the worldmap and minimap

Grabs bugs for the bug sack.

Officially the original source for where things are in the Broken Isles, in HandyNotes

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