WowAce

Adds your name to chat messages

A customizable view of friends and guildmates.

Creates new chats with guild channel functionality

It's a doodle pad for doodling with doodles.

Captures chatframe Tradeskill Links for later reference in an easy to read format

Tracks SendAddonMessage Spam

Waitlist addon with EPGP Mass Award hooking.

Simple display and management of Away / AFK / Busy / DND status via broker or minimap

Enables you to see Chinese, Japanese and other languages in game

FuBar_ChatAlertsFu

Automatically leaves the global channels when inside an instance/raid and restores them when exited.

Allows you to prevent addons from sending and receiving messages.

Shows activity for hidden ChatFrames by making their tabs flash.

Automate Your GDKP Auctions, Bids, & Payouts

Improved Quest Tracker

Uses guild notes to add alts' main names to chat windows and other places

Displays online guild mates.

Simple language selection for Data Broker

TextSpy

DreamChat