WowAce

Saves contents of your guild bank and sends/receives updates over the addon channel

Cartographer_Herbalism

UnitActionBars2

VitalWatch

OneChoice tries to help you reduce quest reward choices down to, ideally, one choice.

WeaponRebuff

A simple range indicator for optimizing Halo damage.

Adds on-screen buttons for the farming tools and seeds.

Announces ooze kill instructions during the Yor'sajh encounter in Dragon Soul. Highly customizable with numerous helpful feat...

GridLayoutPlus

Angry Raid Points Client

Lag tolerance module for Broker displays.

Timerbar embeddable library

Shows activity for hidden ChatFrames by making their tabs flash.

SinkLib

A tool to appraise, estimate, or judge your equipment against the equipment of others.

Shows a nice Soulstone Monitor.

adds navigation buttons to Encounter Journal

Provides information of tradeskill and crafting materials that are in the banks and bags of your characters.

Poppins