WowAce

Angry Boss Reminders helps raiders switch to the proper talents, glyphs, and gear for each boss during a raid.

Shows Chat as Combat Text

Displays online guild mates.

Cartographer_Mailboxes

Shows a nice Soulstone Monitor.

Automatically sells low quality gray items and selected white items to the vendor.

Shows you which bosses you've killed next to the raid finder frame.

Fudge

Reverse Engineering will drill down and search your tradeskills for their elements

Check the quality of wild battle pets

AbacusLib

Shows a frame to track your debuff on Malygos in phase three.

Mute error messages of N next spell cast.

Set the clicking action for Grid buttons

Tool for easy task assignments in raids.

A boss encounter engine used by other add-ons

FuBar_ButtonSmashFu

Reminds you to Life Tap and Dark Pact

Paparazzi

Displays a grid of guild ranks versus permissions.