WowAce

A library to try to guess a level of a player.

API for AceConfig-3.0

Quest information

A library to help with localization of Archeology dig sites

BanzaiLib

XML import library

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

Provides a library for accessing auction data and pricing from various Auction Data mods

Stitch-1.1

Party and Raid roster library - one library for any group

A library that tells wether a item is a quest item or not (equipped or in bags)

Library to provide visual bar creation and management.

Deformat

A library to return spell duration and debuff type of a spellID.

Embeddable library to track raid/party roster

A library which provide tools for detecting adverse effects on units.

AnchorsAway

FuBarPlugin-2.0

AbacusLib

CrayonLib