WowAce

JasonQuest

Parkour puzzles throughout the world.

FuBar_AlchemyFu

Save and send chat messages to many channels. Allows quick item and profession linking within your messages.

Provides more visible access to dungeon and raid difficulty settings via FuBar.

Accelerates Camera Zooming

AltClick an item in your bag to add it a mail, auction, or trade frame, and alt-click to buy a stack if reagents.

Simple and clean Death Knight displays

Lag tolerance module for Broker displays.

aUF_RangeCheck

Adds item values to chat messages.

A Library for stat conversion, calculation and summarization.

ItemValue

Display the global cooldown around your cursor. (+ other stuff)

Creates new chats with guild channel functionality

Adds achievement reminders to BigWigs

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

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

Complain about crowd control breaks.

A volume control for Data Broker.