WowAce

Death analysis tool

Tracks, transmits and displays the cooldowns of your raid.

Provides quick access to information on your group and their equipment, enchant and gem choices.

FuBar_VampwatchFu

Shows simple Buttons for your Cooldowns :)

Shows Status Bars that you can drag around and group up for your cooldowns

Compact & customizable filtering, monitoring and grouping of buffs and debuffs

Toggles WoW to the forground on events.

Kiwi Plates

Fires events whenever a raid member "fails."

A sexy logarithmic cooldown bar

Tracks the Blood Shield for Death Knights.

Mutt (Macro Update Target Tool) provides slash-commands that can patch the predefined targets in your macros.

Reports in raid chat whenever a raid member "fails." /EnsidiaFails to configure.

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

Heads Up Display with Player and Target Info

A FuBar plugin to show Recount.

CCBreaker

Combat log evolved.

Desesperated announcing to clearly show the skillings of act inplay.