WowAce

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

Records Damage and Healing for Graph Based Display.

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

Modular damage meter.

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

Modular casting bar.

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.

Estimated range display. Type /rangedisplay for config

Configurable Castbars

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

Adds Scrolling Combat Text above your character

Kiwi Plates

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

Show buffs on nameplates.

A customizable casting bar replacement for Classic WoW

Textures for Stop Motion

Arena unit frames

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

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