WowAce

Parkour puzzles throughout the world.

TextSpy

ag_Pimpster

Colors friends/bg score board/who list names by class color

Announce which globule to kill during the Yor'sahj the Unsleeping encounter.

Displays both Kalecgos and Sathrovarr the Corruptor hit points during the encounter.

Shows the spec of people around you in the tooltip.

Adds cooldown timers to your trinket procs

Automatically sells low quality gray items to the vendor.

Adds custom layouts for Grid

ezIcons

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

Good looking, smoothy and helpful nameplates

Collects and displays census information. This AddOn is licenced under the GNU GPL, see GPL.txt for details.

GPriceEach

A library to provide a way to easily create controls for Blizzard's options system

Shared handling of media data (fonts, sounds, textures, ...) between addons.

LibRockTimer-1.0

Animated target indicator

kgPanelsConfig