WowAce

oUF element for highlighting debuffs that are dispellable by the player

Melee stats Data Broker plugin.

Spell interrupt aid and announcement addon.

Remaining and rested XP Data Broker plugin.

PoisonSwapper automatically manages weapon swapping for maximum DPS

Bang!_Libram_Swap

Browse your guild members crafts anywhere, anytime.

Guide Handler UI.

Adds support for LibFilter to Baggins

Notifies the raid when someone is Dazed.

Displays how much total honor you have from all sources.

Out of Mana bar.

LibAvion-2.0

LatencyAlert

Adds unreal tournament style sounds to PvP encounters.

Makes the Blizzard options frame movable and resizable

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

A library which provide tools for detecting adverse effects on units.

EasyPet

Helper addon for the Zul'Drak daily "Troll Patrol: The Alchemist's Apprentice"