WowAce

DotDotDot

Textures for Stop Motion

KillingSpree

FuBar_SWStats2Fu

Barks at you when you target a crowd-controlled unit

Estimated time until current target will die.

A sexy logarithmic cooldown bar

Displays the time remaining before your (temporary) pet is dismissed.

FuBar_RegenFu

Tracks the Blood Shield for Death Knights.

Heads Up Display with Player and Target Info

FuBar_RecapFu

Gathers statistics on certain chance-on-use spells, also known as procs.

Combat log evolved.

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

Death reports

Display the global cooldown around your cursor. (+ other stuff)

Desesperated announcing to clearly show the skillings of act inplay.

Alternate Rune Display

Sets the DND flag, when are in combat.