WowAce

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

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

Automatically switch the hunter tracking based on the selected target

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

Keep your pet fed

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

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

Aspect checker addon for Hunters.

Automatic ammo reloading and selection, with warnings.

LittleTrouble

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

Information display for Hunters.

Hunter pet manager for any DataBroker(LDB) display.

AspectsBar

lugMD

SEasyRotation

PetBar

Ranged stats Data Broker plugin.

Pet feeder, called by "/click FeedItButton" from a macro.

Nudge