WowAce

Tell me when a buff drops, damnit!

Tank statistics Data Broker plugin.

Information display for Hunters.

Improvements to the standard Blizzard Eclipse bar for balance druids. Use /ebp for the config screen.

A Data Broker add-on for quickly switching your specialization with gear set and loot specialization.

Color manipulation library.

GraphLib

Lexan

Adds a simple percentage threat status to Grid.

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

Calendar improvements

Tool for easy task assignments in raids.

Dedicated to Lazybones of EU Khadgar who had the original idea as he can't find a damn thing in his bags. You're a great guy...

Configurable dynamic combat logging extender module for TweakHub.

obRaidAssist

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

ChatAssist2Options

MiniChat

Adds 3 indicators to each side (top, bottom, left and right).

VisualThemes