WowAce

Display Garrison missons for all Characters

Loot Distribution System

Automated smart raid marking to speed up trash clearing in instance runs

Detects specific CDs and spellcasts

SacredBuff

Target Debuff monitor. Stacking aware, giving current and potential debuff status.

Quest History tracker and shows lists of quests in each category

Displays the remaing cooldown of the action you tried to use

FuBar_VampwatchFu

Keeps track of HoTs, DoTs, Buffs and Cooldowns. With audio and text alerts to refresh them.

Shows simple Buttons for your Cooldowns :)

Tells you if you're buffed

Aura alarm.

Drop the cheapest thing you're carrying

DaHud

Configure triggers to send messages to your raid team such as timers, rotations, and health/power based triggers. Raid smarter not harder.

A Mount and Companion manager

A simplistic clock.

Mutes various chat related annoyances while in capital cities and instances.

Marks the locations of Hallow's End candy buckets on the worldmap and minimap.