WowAce

Helps with interrupt notifications and announcements.

A Data Broker plugin to show AddOn memory usage.

Announces results of readychecks to the raid/party, installs "/rc" alias, shows rc timer bar

Spy on your guild.

A simple Fubar plugin for Cartographer_Routes to quickly show/hide routes in the current zone

Provides bang-whispers for your professions.

MoBuffs

Adds notes to item tooltips

GatherHud for GatherMate2 with Routes support

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

ChatAssist2Options

Insanity resource tracker for shadow priests.

A Small movable frame that shows who in your party has your Renewing Mist buff

aUF_Banzai

Make your whole party/raid aware of whats happening during and after a readycheck

A library which provide tools for detecting adverse effects on units.

Seraphim Raid Tracker

Mode7Test

Shows a countdown bar for the duration of auras (e.g. HoTs, DoTs)

SeeingRed