WowAce

Adds aura indicators to unit frames

Shows the spec of people around you in the tooltip.

Fade Blizzard Raid Frames

Gugagaia_dk_addon will be like a teacher, helping the player that have a character of Death Knight class

PVPtimer

Good looking, smoothy and helpful nameplates

A bar for all diminishing returns. Maybe nice for Arena, but intended for the third boss of Trial of the Crusader

Adds unreal tournament style sounds to PvP encounters.

Monitors the combatlog identifying players from the oposite faction near you.

Minimal KoS-list-addon

Logging utility for duels

Uses TomTom to show target location if target is in party or raid.

AVqq

Displays how much total honor you have from all sources.

Adds trinket tags to SUF

Adds a Crowd Control Tracker mode and data collection to Skada.

Party Ability Bars

FuBar_PvpFu

Records special in-game moments; Achievements, Reputation Gains, Level Ups, Battleground & Arena Wins, so you never miss one ...

Enemy team talent spec reporter