WowAce

A database of poeple wo can craft your items

Tracks Prayer of Mending and changes color based on the number stacked

Add SyLevel item level display support to Bagnon.

Adds Debuff Highlighting to oUF.

EasyPet

Adds a cooldown timer for Nezir's Ice Patch ability.

DuraRecolor

Show everyone how much you care

AltoComplete

PimpMyProfession The Profession Guide

LibRockHook-1.0

BiSList allows you to configure your BiS items list, and keep track of how far you are from them

Assigns icons to interruptable adds in phase 2.

Movable frame library.

Simple enhancements to the mission list.

Continously scan for addons using excessive CPU - especially bursts

A standalone addon to walk around the 4.0.1 inspecting BUG. Also provides help for other addon that need Inspecting

Blocks all whispers except from people in your guild and friends list.

A library to convert ItemId to ItemId of player's faction

DKFight