WowAce

Alternate Rune Display

Database of FlightMaster locations for HandyNotes

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

Shows your standings with the factions.

Displays online guild mates.

Smooth group roll frames

Open inventory items with 1 button

Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.

FuBar_FarmerFu

Tracks vulnerability debuffs on multiple mobs

Loot Distribution System

A FuBar plugin to show Recount.

Displays reagent count on spell action buttons

Reno is a slash-command that can patch predefined options in a macro to change which abilities will be chosen.

Shows Chat as Combat Text

UnitActionBars

Tools for MultiBoxers or Group questing/leveling

Cartographer_QuestObjectives

WQA helps you find world quest groups easily. Works after the 4/28 group finder changes.

An auction house AddOn to make the life of each fence easier.