WowAce

Unit Frames of awesomeness. Woof. It'll bite your face off.

Deus Vox Encounters

Track time played, rested XP and money for all characters

An extension to the default WoW Unit Frames.

Simple and super light-weight tracking of profession links for all your alts.

Displays the remaing cooldown of the action you tried to use

Kaliban's Class Loot List Star Display

Violation

InspectFix

TomTom CrazyArrow pointing to the targeted group member

Addon to provide a much nicer map

GDKP gold run ledger

Display auras on action buttons.

Barks at you when you target a crowd-controlled unit

A sexy logarithmic cooldown bar

Show vignette icons sooner

A library that handles the basics of "window" style frames

mount and companion manager

View bank, inventory, mail, equipped and guild bank contents from any character anywhere!

Unit frame addon using Ace3.