WowAce

TagCompiler-1.0

Allows combined aura detection. motw + gotw, all 4 mage int buffs, etc. in one status.

Good looking, smoothy and helpful nameplates

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

GatherHud for GatherMate2 with Routes support

Guide Handler UI.

Customizing your buff display

Add item levels to Inventorian

LibGUIFactory-1.0

ezIcons

Cryolysis 3

A library that tells wether a item is a quest item or not (equipped or in bags)

Quickly builds /target macros for immediate use.

RaidGroupNumber

Automatically sells low quality gray items to the vendor.

Shows at-a-glance what raid buffs/debuffs you have.

A Data Broker plugin to display how long you've been playing

GirlFriend

Sneakily inspect how much gold your mouseover target has made so far.

A Data Broker add-on for quickly switching your specialization with gear set and loot specialization.