WowAce

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

Arena unit frames

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...

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

Aloft

Attach diminishing return icons to unit frames.

A Friend-Enemy-Unit-Frame for battlegrounds.

Kiwi Plates

Entertaining kill-shot notification.

Threat reactive nameplates for TidyPlates.

Barks at you when you target a crowd-controlled unit

FuBar_HonorFu

KoS-Management Tool

Antagonist

Adds unreal tournament style sounds to PvP encounters.

FuBar_BattlegroundFu

New/Old BG indicator, Join by ID, Quick Leave Queue, etc.

HiveMind

Detects specific CDs and spellcasts

Tracks interrupts