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.

Arena unit frames

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

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

Estimated range display. Type /rangedisplay for config

Modular damage meter.

Floating Combat Text of awesomeness. Caw. It'll eat your crackers.

Deus Vox Encounters

Aloft

A lightweight, flexible, multi-target threat meter.

The core module for RW

Assessment

Reports on a configurable dashboard or to group chat on consumables, buffs, AFK, mana and many many others but in an intellig...

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

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...

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

Violation

Tracks vulnerability debuffs on multiple mobs