WowAce

ClassColors

Scans your Equipment for cumulative item bonuses and sums them up.

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

Automate Your GDKP Auctions, Bids, & Payouts

CraftList

FruityLoots

Displays an alert whenever you loot an item for the first time.

PerfectTargets

Cartographer_Trainers

Simple oRA3 Maintank Target Frames, based on oUF

Shared handling of media data (fonts, sounds, textures, ...) between addons.

Gathers statistics on certain chance-on-use spells, also known as procs.

A superior broker/LDB display for users of the Recount damage-meter.

Shows Chat as Combat Text

Aspect checker addon for Hunters.

On login, displays changes to your guild since the last time you logged in.

NabuFiveSec

XArt

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

A clone of the FailBot mod. Announces raid member failures such as "Player1 fails at frogger"