WowAce

Keeps track of your reagents for buffing.

Smooth group roll frames

Raid loot tracking and text generation

Shows Status Bars that you can drag around and group up for your cooldowns

Keeps track of time played and rested XP across your characters.

A library for PvP and Battlegrounds

Estimated time until current target will die.

Toggles WoW to the forground on events.

Provides shareable notes and other information for your guild, party and raid community.

Talented_Data

RicoMiniMap

A collection of Rogue modules.

Displays friend notes in unit tooltips, at logon, and in /who results.

Give logical progression of Mining, Herbalism & Skinning. Will not be updated with WoD zones

Cryolysis 2

Broker plugin to display player orientation

Heads Up Display with Player and Target Info

SacredBuff

An auction house AddOn to make the life of each fence easier.

Various libraries based on LCD4Linux, offering users lower-level UI customizations.