WowAce

Displays info about who rolled Need/Greed/Pass on items that are currently rolled for

FuBar_SoulJarFu

MultiTips

A tool to appraise, estimate, or judge your equipment against the equipment of others.

A plugin for OneBag to make your keyring the same texture as OneBag/Bank.

Adds achievement reminders to BigWigs

Client for allowing the raid leader to gauge interest on items in a method similar to a ready-check.

FuBar_TimerFu

Lets you drag UI frames around

Provides information about the player's bodyguard.

RapidCast

Objective Tracker

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

cgCrafty

A simple range indicator for optimizing Halo damage.

Tells you if you're buffed

Calculates DKP based on Item Level

Embeddable chat throttling library with traffic shaping and priorities

HiveMind

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