WowAce

KC_PlayerFramePlus

Shows the minimum durability of equipped items on the stats frame.

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime

BanzaiLib

Improved Quest Tracker

Simple money display for LDB

OneBag is a replacement for the default game bags that combines all the bags into one frame.

Adds 3 corner indicators to each corner of the Grid frames.

PowerDisplay

Automagical macros for each talent tier.

Quest information

ArenaHistory

Angry Boss Reminders helps raiders switch to the proper talents, glyphs, and gear for each boss during a raid.

A simple range indicator for optimizing Halo damage.

A fully featured library tracking all ongoing absorb effects

Vengeance module for Broker displays.

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

kgPanelsConfig

Automatically sells low quality gray items and selected white items to the vendor.

Automatically invites player from templates.