WowAce

A menu with useful searches for Inventorian

GatherHud for GatherMate2 with Routes support

PVPtimer

BigWigs_RazuviousAssistant

Clock plugin for any DataBroker display.

Seraphim Raid Tracker

All Flight Masters, flight duration and more.

ElfReloaded

obRaidAssist

Automatically restock items from vendors and your bank

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

A collection management library similar to .NET's System.Linq

Diplomat

Continuation of Shadowed Unit Frames

Restores channels and channel-window associations after disconnects remove them.

SmartyCat

Quickly builds /target macros for immediate use.

Shows an arrow to your bite victim during the Blood-Queen Lana'thel encounter in Icecrown Citadel (your raid leader must be r...

Automatically switches Profiles of addons when changing spec

Save and send chat messages to many channels. Allows quick item and profession linking within your messages.