WowAce

create a qrcode in game

Provides a virtual keyboard of extended-ASCII and Unicode characters which can be inserted into text areas.

Caser

Provides search functionality to the chatframes

Suppress chat messages when specified items are looted

Keeps track of people who have recently sent you messages.

Social tracking suite.

DKP ingame management

Sets you to DND when you fight a boss, and some other crap.

Locks the chat window tabs to prevent accidental undocking via mouse drag

Provides bang-whispers for your professions.

Library that provides a timestamp that is equal across clients' timezones and system clocks

Color player names in chat by their corresponding raid class colors

ChatAssist2

It's time to up your S.E.L.F.I.E. game!

Loudmouth

Manage Raid Queues

autoLFG

It's a doodle pad for doodling with doodles.

Adds the ability to send mass mails to guild ranks.