WowAce

Changes the nameplates range and disables clamping to screen

Draws some lovely 3D portraits in the standard Blizzard artwork.

Remaining and rested XP Data Broker plugin.

Assistace for Blackhand (Mortar warning in P2, custom says for bombs and marks in P3)

Assist you with faction transfers letting you know which mounts, spells, etc you have and what they will be swapped to.

A library to help with localization of Archaeology artifacts

Numen

Lists Pots and Herbs you got on all chars and allows you to specify color coding

Library to help with querying unit talents.

NShakedown

FelwoodFarmer

A Fail main view module for Recount

Handles the assignment, coordination, and announcement of many parts of the Lich King encounter in Icecrown Citadel.

PT3Bar

A variant of AceGUI's Frame container with an editable input field

A library to return spell duration and debuff type of a spellID.

Displays info about who rolled Need/Greed/Pass on items that are currently rolled for

A helper addon for the achievements "Let It Snow", "Fistful of Love", "Shake Your Bunny-Maker", "Check Your Head", and "Turkey Lurkey"

Add a line to herb tooltips that shows what pigment they produce.

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