WowAce

Nihilum Raid Tracker, originally written for the EU guild Nihilum.

Stores a browsable database of spells that mobs cast

Never forget which one in that 5-mob pull casts what spell again.

A friend in need is a unconversable robot friend.

Provides bang-whispers for your professions.

Adds aggro coloring to oUF.

Tracks your crits.

Forces LSM and LibSink to use specific textures and sinks.

Notifies you when you get aggro.

Be nice to your raid, always use some Conditioner after a fight for that soft, cozy touch!

Blocks all whispers except from people in your guild and friends list.

Reports when healers assigned icon targets die.

How much of your life have you spent ingame?

Responds to DBM version checks, so that you don't have to.

SimpleChatMods

Fully automated plague control for Putricide hard mode.

Allows you to set up raid icon markings for all kinds of stuff.

AddOn development framework

Adds the ability to send mass mails to guild ranks.

Assigns icons to the people who get tombed.