WowAce

Customize the PlayerPowerBarAlt display

Filters AFK and DND messages after you've seen them once.

Taggle

A Data Broker add-on for quickly switching your specialization with gear set and loot specialization.

StatStain

Makes grid QuickHealth aware

CraftList2

Helps to track outgoing mails

Target assistance by automatic rewriting of macros

Open those pesky lockboxes

VendorSearch adds search features when buying items from any vendor

Go quick, or go home!

Embeddable library to track raid/party roster

Allows you to loot BoP items without prompting when not in a group or raid

Fires events whenever a raid member "fails".

Quest information

AnchorsAway

Addon management panel extreme release edition

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

BuffProtectorGnome