WowAce

Helps to track outgoing mails

TrickOrTreat

Automatically invites player from templates.

A Data Broker plugin to show AddOn memory usage.

vChat

A frame with a text that gives you the amount absorb left on target, or in TankMode absorbs left on yourself.

Announces interrupts in the chat

GridAlert

FuBar_tTracker

Displays oRA3 main tanks.

KC_PlayerFramePlus

Go quick, or go home!

Embeddable library to track raid/party roster

Fancy up the PlayerPowerBarAlt frame

Creates simple table controls for tabular text data.

Checklist and notes addon.

Audible Alerts for self-gain, self-lost, any-gain, all-lost of statuses.

Library to provide non-explicit cooldown tracking and callbacks.

TunnelVision

Tracks interrupts