WowAce

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

Modular casting bar.

Afflictions display and cleaning for solo, group and raid with advanced filtering and priority system.

Tracks Raid/Instance/World Boss lockouts for all your characters, daily/weekly quests, currencies, trade cooldowns, and more!

Arena unit frames

Modular damage meter.

In World of Warcraft healers have to die. This is a cruel truth that you're taught very early in the game. This add-on helps you influence this unfortunate destiny in a way or another depending on the healer's side...

A lightweight, flexible, multi-target threat meter.

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

Estimated range display. Type /rangedisplay for config

Automatically enables or disables combat logging based on location.

AnyFont

Configurable Castbars

Show buffs on nameplates.

Timers for Buffs, DOTs, CC effects, etc..

Makes a sound when your focus starts casting. Use with [target=focus] macros for interrupts (Counterspell, Spell Lock, Wind ...

Death analysis tool

Textures for Stop Motion

Compact rune and proc display for Death Knights.

Tracks the Blood Shield for Death Knights.