WowAce

A powerful, comprehensive utilty for displaying graphics and information based on buffs, debuffs, and other triggers.

Textures for Stop Motion

In-game theorycraft. Calculates actual damage/healing based on gear, talents and buffs.

EBB adds groups of bars to your screen showing you which (de)buffs currently affect your toon or some other units.

Numerical and graphical display of Combo Points and similar buffs/debuffs. Also tracks Holy Power and Soul Shards.

Threat reactive nameplates for TidyPlates.

Additional information about player spells.

Display auras on action buttons.

Kaliban's Class Loot List Star Display

Track all threat redirection ability transfers and cooldowns (Misdirection and Tricks of the Trade).

Display aura information inside action buttons

Compact & customizable filtering, monitoring and grouping of buffs and debuffs

Rebuff yourself with the mousewheel.

Co-ordinated targetless Party and Raid wipe recovery. Evolved

Auto and random summon highly customizable for your pets and mounts, with Data Broker support.

Helps you decide which ability to use next according to priority you set

Checks your gear before bosses and yells at you if you're an idiot

Healer gear benchmark

Tracks skill and tradeskill costs and progressions, as well as trainer locations.

Announces interrupts in the chat