WowAce

A clone of the FailBot mod. Announces raid member failures such as "Player1 fails at frogger"

Generates and posts random Chuck Norris facts to a specified chat medium.

Improved Quest Tracker

Allows customisation of login/logout system messages.

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

Desesperated announcing to clearly show the skillings of act inplay.

Allows you to prevent addons from sending and receiving messages.

Don't underestimate your little critters!

Shows Chat as Combat Text

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

Tracks whispers and conversations

Shows activity for hidden ChatFrames by making their tabs flash.

Tracks SendAddonMessage Spam

Displays friend notes in unit tooltips, at logon, and in /who results.

Displays online guild mates.

Adds item values to chat messages.

Allows for easy congratulating when someone earns an achievement.

Creates new chats with guild channel functionality

Filters AFK and DND messages after you've seen them once.

Lists and/or reminds people missing flasks or food buffs at every ready check.