WowAce

Pet Theory

Shows the minimum durability of equipped items on the stats frame.

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

In-game EPGP guild helper, supports standby, main/alt shared pools, minEP, offpecGP. Fixed price list with progress multiplier.

Shows activity for hidden ChatFrames by making their tabs flash.

ArenaMaster

WeaponRebuff

LibRock-1.0

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

Helps you automate selling stuff

Add item levels to Inventorian

Auto sizes frame layout depending on group/raid size or predefined zone data

NabuFiveSec

QuestAnnouncer

Aspect checker addon for Hunters.

Provides the ability to suppress specific spellcasts like "Deaden" from your casting bars.

ClassColors

Toggles player names.

XArt

CraftList