WowAce

Show item levels in the character frame

Library that handles chat output.

Simple AceGUI3 dropdown item classes for font/statusbar/sound/etc.

Enables multi-line/unlimited-length pasting of text or commands into WoW

Arena unit frames

Allows you to view all items from all your characters on the same account, when-ever and where-ever you want.

The original source for where things are in Pandaria

Ackis Recipe List is an addon which will scan your trade skills and provide information on how to obtain recipes. It works fo...

Tracks Raid/Instance/World Boss lockouts for all your characters, daily/weekly quests, currencies, trade cooldowns, and more!

Shows the possible loot from the bosses

Another HUD addon

A library allowing for easy creation of graphs

Estimated range display. Type /rangedisplay for config

Modular damage meter.

Adds a Button to the Worldmap which toggle Handynotes

Simple Map Mod

Officially the original source of knowledge of where things are in Draenor during Warlords, in HandyNotes

Keeps track of group members and keeps an up-to-date cache of their specialization and talents.

Caith skin for Masque.

Serenity skins for Masque.