WowAce

Broker plugin for the Blizzard Equipment manager

Tattles to your default chat frame who has used their taunt nearby

BlessingBar

Transliterate string

Adds AFK status to Grid2.

Simple addon that sends EG gear/main data without running the full client

Addon for priority management of combat skills for all classes

BigWigs_CThunAssist

Shift-clicking on a user name in chat shows a tooltip with their whois information.

Displays a message when Feign Death resists

ChatStamp

RepWatch

Grid2 LibDataBroker support

Will try to keep track of what a character did last time it was logged in

Shows how many epics (and other qualities) you are wearing

Changes several of the popup dialogs to not close when hitting the Escape key.

Cartographer_Icons

Track friends / enemies in a convienent window, with optional logging

Vigilance tracking for Protection Warriors

LibMindReader