WowAce

GonffBar

Lag tolerance module for Broker displays.

Priority 3 loot announce addon

T_ItemInfo

Toggles player names.

Captures chatframe Tradeskill Links for later reference in an easy to read format

Highly-configurable shield / absorb tracker.

Quest helping: fetching items to use, that sort of thing.

MiniChat

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

Angry Raid Points Client

adds navigation buttons to Encounter Journal

A library to help with localization of classes.

Poppins

Splut

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

Library supporting plug in filters.

Shows activity for hidden ChatFrames by making their tabs flash.

Visual Raid Cooldown Tracking

FuBar_VolumeFu