WowAce

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

Alternate Power- and Combopoint/SoulShard/HolyPower-bar

Track all threat redirection ability transfers and cooldowns (Misdirection and Tricks of the Trade).

Simple, nice-looking power bar addon for all classes.

PowerBar

A collection of Rogue modules.

TrickOrTreat

Holy Power, Shadow Orbs, Rogue Combo Points and Monk Chi.

Displays reagent count on spell action buttons

Hemlock

Open those pesky lockboxes

Melee stats Data Broker plugin.

LD50_abar

EnvenomX

PoisonSwapper automatically manages weapon swapping for maximum DPS

Comergy 2

Envenomous

SliceWatcher

Pick Pocket Countdown Timer for Rogues.

PoisonMenu