WowAce

Speeds up triggering actions such as items or spells by triggering them on key/mouse down rather than release

Powerleveling guide framework

FuBar_ChatLockFu

trade history log, recent trade list by [email protected]

FuBar_RegenFu

Shows Chat as Combat Text

Adds a couple of graph displays to Skada.

Auto sizes frame layout depending on group/raid size or predefined zone data

Transcendence Monitor for Monks

Insanity resource tracker for shadow priests.

Track any items you want in a tooltip

Library to help with querying unit talents.

RS_ClassColors

Fancy up the PlayerPowerBarAlt frame

Allows you to create icons, which can be customized greatly by user's input. CiR is more than just the usual cooldown tracker.

Track of your tradeskills across characters, create small buttons for them and track cooldowns.

Displays an alert whenever you loot an item for the first time.

Adds a button to the quest completion interface which allows you to auto equips selected quest Item after completion

RaidSpy

Automatically generate and announce optimal spirit totem assignments during the Gara'jal encounter in Mogu'shan Vaults.