WowAce

Quest information

Library to help with querying unit talents.

Simple library that handles multiple levels of logging.

QR Code builder library

Tooltip scanning library.

Test whether the player can really dispell a buff or debuff, given its talents.

Timerbar embeddable library

Library providing mouse-click support for LibQTip-1.0.

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

SanityItemCache

Library to aid in the classification of Mounts

Adds predicted lists for spells while the user types

TipHookerLib

Manages the SavedVariables of your addon with a layered hierarchy of settings.

AnchorsAway

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

Manages the scanning of the auction house in a reliable an efficient manner.

Dropin replacement library for SetBackDrop

Library to provide non-explicit cooldown tracking and callbacks.

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