WowAce

Bars showing amount of buffstacks

Warns you with sounds when you gain different shaman spells.

Customizing your buff display

Shows you the radius of your totems.

A collection of Rogue modules.

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

EBB-inspired buff bars with click-to-remove support

Shows at-a-glance what raid buffs/debuffs you have.

Prints a message in your default chat frame when someone in your group gains an aura.

Keeps track of important de-/buffs in a splash screen

Tell me when a buff drops, damnit!

Tracks buffs/debuffs you dispel, and displays them upon request.

Aura alarm.

Allows you to create icons, which can be customized greatly by user's input. CiR is more than just the usual cooldown tracker.

Adds an additional spell alert if you have more than one charge of a buff that is normally tracked by the in game spell alert...

Customizable text display of character's power.

Adds Yogg-Saron Sanity status to Grid.

Target Debuff monitor. Stacking aware, giving current and potential debuff status.

An enhancement to the built-in raid frames to change color for debuffs.

Displays the internal cooldown of Eclipse as a ClassTimer bar