WowAce

fixes the issue with InterfaceOptionsFrame_OpenToCategory not actually opening the Category (and not even scrolling to it)

Invite lots of players in the raid browser for world boss groups

AceGUI-3.0-Search-EditBox

Modifies all action buttons to selfcast on right click

Adds PvP status to Grid frames.

LibJSON-1.0

Exports encounter journal data into XML

Auto-target your Prospector/Milling/Enchanting skills. v1.18

Adds Yogg-Saron Sanity status to Grid.

Addon to add macro support for setting and clearing raid icons

Mark the whelps in the Sinestra encounter

xcRaid

PVP Timer feed for any Broker display

LibDebugLog-1.0

Displays a table for possible outcomes of incoming hits with their probability

Tracks Prayer of Mending

Requeue

AddOn to Manage Roster and DKP for the guild

Simple Data Broker object showing your currently assigned role.

LibCustomAchievement-1.0