WowAce

A Data Broker display for combat statistics.

A library to help with localization of talent trees.

A FuBar plugin to show Recount.

Make it easy to explain bosses in Raids.

Simplifies GDKP bidding processes

Generates and posts random Chuck Norris facts to a specified chat medium.

Raid level alternative player power warning (Atramedes, Cho'gall, Lord Rhyolith)

Evaluates your gear

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

Privacy2

Adds talent specialization role status to Grid.

Considers an item against all the items you have to determine whether or not it is an upgrade

Doublerightclick casting, autolure and sound enhancing

Add a line to herb tooltips that shows what pigment they produce.

SanityItemCache

Warnings about tanking specific abilities

Aperture

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

Visual Raid Cooldown Tracking

Display the global cooldown around your cursor. (+ other stuff)