WowAce

nRaidTracker

Intended to be a complete guild management tool suite)

Displays oRA3 main tanks.

Reports the total threat on a mob at the end of combat.

TagCompiler-1.0

Grid module to emphasize units based on some configured conditions.

Good looking, smoothy and helpful nameplates

FuBar_WarriorAlertFu

Lets you drag UI frames around

Adds 3 indicators to each side (top, bottom, left and right).

AllYouCanEat shows information about the following statistics: beverages, foods, bandage types, potions, elixirs and flasks.

TweakHub module to automate various activities such as accepting resurects, invites, and other game dialogs, ignoring duels a...

MoBuffs

A library to provide tools for formatting money and time.

Adds unreal tournament style sounds to PvP encounters.

A simple, zero config, trash item seller

PlayerNotes

Shows a countdown bar for the duration of auras (e.g. HoTs, DoTs)

RaidHelper

A data broker plugin showing your longest fight and your current fight time.