WowAce

AntiInvite

Skin buffs with Masque

Gugagaia_dk_addon will be like a teacher, helping the player that have a character of Death Knight class

Reports in the Default Chat Frame how many people does not have Well Fed effect, and who are they

LibRockDB-1.0

Aggro Warning System for Parties and Raids.

Zone text Data Broker plugin.

MobHealth3_BlizzardFrames

TEALib

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

The ultimate in lazy Ulduar raiding

Adds aggro coloring to oUF.

A library to try to guess a level of a player.

Diplomat

changes LFR wing descriptions to encounter lists

LibAvion-2.0

Save and send chat messages to many channels. Allows quick item and profession linking within your messages.

Simple raid waiting list

Auto equip/take off a selected tabard on entering/leaving an instance.

PoisonSwapper automatically manages weapon swapping for maximum DPS