WowAce

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

GUI Configuration Library

LDB data source displaying rested XP for whole account

Configuration library

FuBar_uGuild

Estimated time until current target will die.

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

Helps you automate selling stuff

Automagical macros for each talent tier.

FuBar_ItemBonusesFu

Addon to switch all your AceDB profiles via slash command. This tool also allows you to emulate profiles for non AceDB addons.

Mutt (Macro Update Target Tool) provides slash-commands that can patch the predefined targets in your macros.

Cartographer_nnTrainers

Aspect checker addon for Hunters.

Displays classes and specialisation dependent stat priorities provided by icy-veins.com

Enables user defined sounds for Party, Guild, Raid and Custom Channel chat messages.

Reminds you if your flask/elixir and/or Augmentation Rune and/orfood buff is about to expire or has expired

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

Gives detailed descriptions of particular localities, as zones or instances, and provides optional TomTom integration.

Display bag usage on each of your bag slots.