WowAce

Manager for DKP points. Requires DKP - Bidder as main Graphic User Interface.

Allow rule based automatic rolling on loot.

Enables the filtering of items when you visit a vendor

Saves contents of your guild bank and sends/receives updates over the addon channel

Embeddable chat throttling library with traffic shaping and priorities

Cancellation

Handles the assignment, coordination, and announcement of many parts of the Lich King encounter in Icecrown Citadel.

BarAnnounce3

aUF_RangeCheck

Displays bars depending on your professions

DotDotDot

Automatic tracking of the current target's creature type. For the discerning PvE hunter.

tekSupport

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

Gives a Smoother Quest Experience

Helps you decide which ability to use next according to priority you set

Configuration for LibToast notifications.

Simple right click casting.

FuBar_ItemListFu

Adds a button to your character and inspect window that shows a summary of gear enchants and gems.