WowAce

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

AddOn development framework

Universal Library Stub

Callback handling Library, normally embedded inside other libraries

Compression and Decompression library

Grabs bugs for the bug sack.

Handy notes for your maps

Toss those bugs inna sack.

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

Simple and Advanced combined - Bartender4 ActionBar AddOn

Afflictions display and cleaning for solo, group and raid with advanced filtering and priority system.

Library that handles chat output.

A modular, lightweight and screen-estate saving grid of party/raid unit frames

Ackis Recipe List is an addon which will scan your trade skills and provide information on how to obtain recipes. It works fo...

An intuitive keybindings library.

Modular casting bar.

Tracks Raid/Instance/World Boss lockouts for all your characters, daily/weekly quests, currencies, trade cooldowns, and more!

Another HUD addon

Allows you to view all items from all your characters on the same account, when-ever and where-ever you want.

Postal: Enhanced Mailbox support