WowAce

Assistace for Blackhand (Mortar warning in P2, custom says for bombs and marks in P3)

Shows Item Level and Stack Size in tooltips

Adds trinket tags to SUF

Addon for priority management of combat skills for all classes

Notifies you of new calendar event invites and reminds of upcoming events on all characters and realms

Printing unknown AddonPrefixes to your chat

Adds Auctioneer "bought for" filters to Baggins ("disenchant", "vendor", etc)

Responds to DBM version checks, so that you don't have to.

aUF_CC

Make noise when the servr is going to restart

ControlFreak

Addon channel transfer statistics for any DataBroker display.

Gemologist

FuBar_Usage

I've invented a device that tells you when reactive abilities are available!

Knowledge-1.0

LogSaver

Automatic switching to FFA loot for Mimiron phase 3

BagSync

Show a bar indicating the remaining lifetime of your temporary pet