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).

A collection of Rogue modules.

Displays reagent count on spell action buttons

Open those pesky lockboxes

GonffBar

LD50_abar

TrickOrTreat

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

EnvenomX

Hemlock

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

PoisonMenu

FuBar_NinjutFu

FuBar_PoisonReminderFu

Pick Pocket Countdown Timer for Rogues.

Envenomous

SliceWatcher

pMutilate