WowAce

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

Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.

HunterAEP

A small checklist for raid (de)buffs and who brings what.

Aspect checker addon for Hunters.

lugMD

TrackingBar

AspectsBar

Keep your pet fed

BigTrouble

Information display for Hunters.

Automatic ammo reloading and selection, with warnings.

LittleTrouble

TrapBar

Automatic tracking of the current target's creature type. For the discerning PvE hunter.

A simple addon that warns you if your pet isn't attacking while you're in combat.

A seperate focus bar, with focus gain prediction and rotation forecast.

PetBar

Nudge

Ranged stats Data Broker plugin.