WowAce

FuBar_ChatAlertsFu

Adanced Achievement Tracker is a smal tool to track Achievements

Shows the duration of the most recent (or current) combat

Mail plugin for any DataBroker display.

Echos quest objective completion to your party

Adds Name and Buyout Price sort columns to the auction house.

Adds the "pixel perfect" font "Silkscreen" to LibSharedMedia

Broker add-on for GemHelper

Adds aggro coloring to oUF.

Bug fix for the Blizzard calendar -- prevents unexpected window closure while editing events

BiGOpt

Status indicator that shows if a unit is hostile (probably mindcontrolled)

An addon that automatically loots items for you.

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

Monitors the combatlog identifying players from the oposite faction near you.

Hunter 'Misdirection' activity and cooldown monitoring for raids/groups. 'Readiness' aware.

New/Old BG indicator, Join by ID, Quick Leave Queue, etc.

LFD status via a DataBroker display rather than the minimap.

GlyphRecolor

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