WowAce

Babble-2.2

A library to provide a markup syntax

A library to provide unit-oriented tags to LibDogTag-3.0

StatLogicLib

Library that tracks incoming heals

Queing of /who and SendWho() queries and a much better interface (see docs), with gurantee to be executed & callback.

IncomingHealsLib

A library to provide information about zones and instances.

Provides one or many informational windows with optional interactive widgets.

Database of Diminishing return categories and general data

Libra

Talismonger-3.0

A library for PvP and Battlegrounds

LibItemInfo-1.0

Various libraries based on LCD4Linux, offering users lower-level UI customizations.

Does stuff for sachmo

A library to help with localization of Zones.

Some handy events that should exist in the default UI

A library to provide a clean dropdown menu interface.

TabletLib