WowAce

Relog

Cartographer_Herbalism

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

Fancy up the ExtraActionButton frame

eePanels2

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

cgCrafty

A Library for stat conversion, calculation and summarization.

Bind spells, items, and macros to keys, without using action buttons

A plugin for OneBag to make your keyring the same texture as OneBag/Bank.

Displays info about who rolled Need/Greed/Pass on items that are currently rolled for

MultiTips

Adds achievement reminders to BigWigs

Allows the user to customize the the tooltip with lua-scripts

Heads Up Display with Player and Target Info

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

FuBar_ModMenuTuFu

Shows you which bosses you've killed next to the raid finder frame.

Swiss Army knife for instances, including player tracking, ignore buttons, loot tracking, notes, and more.

Creates new chats with guild channel functionality