WowAce

LibGUIDRegistry-0.1

LibGUIFactory-1.0

Guild members

Saves contents of your guild bank and sends/receives updates over the addon channel

Communicates with guild members for their positions on the world map

Keeps track of healing spells cast by everyone in a group.

Library that tracks incoming heals

HTML containers for WoW

Libary for cleanly inspecting other players

A standalone addon to walk around the 4.0.1 inspecting BUG. Also provides help for other addon that need Inspecting

Library to provide non-explicit cooldown tracking and callbacks.

A library that maintains a cache of items and their types.

Scans your Equipment for cumulative item bonuses and sums them up.

LibItemInfo-1.0

What actual item level is an item? Yes, it's horrible we need a library for this.

Library for summing up all stats from itemlink

Database of item upgrade IDs

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

LibJSON-1.0

An intuitive keybindings library.