WowAce

Ironi's Encounter Event Tracker

SliceWatcher

FuBar_NinjutFu

Visual loot monitor

Scorchio!

SmartyCatManaBar

Warnings about tanking specific abilities

FuBar_AmmoFu

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

Adds Archaeology items to AdiBags virtual groups

A library to help with localization of talent trees.

FuBar_SWStats2Fu

A Library for stat conversion, calculation and summarization.

Detox

Uses guild notes to add alts' main names to chat windows and other places

A volume control for Data Broker.

Rep2 displays a message, which shows how much reputation you gained, and how much is needed until the next standing.

Tools for MultiBoxers or Group questing/leveling

Keeps track of durability and pops up a dialog to repair when you go to a vendor who can.

Tracks whispers and conversations