WowAce

Add-on that allows you to setup and quickly switch between different profiles of your action bars

FlexBar2

Simple quest item bar.

Displays reagent count on spell action buttons

PT3Bar

Fancy up the ExtraActionButton frame

Dims action buttons.

Bind spells, items, and macros to keys, without using action buttons

Numen

InfiniBar-2.0

cyCircled

Speeds up triggering actions such as items or spells by triggering them on key/mouse down rather than release

FuBar_BongosFu

lern2count adds ABinfo castcounts to spell and actions. It has a builtin reagentcount too.

Splut

An extra set of 11x3 buttons, integrated into the default action bar.

Kenzo is a skin for Masque

Dedicated to Lazybones of EU Khadgar who had the original idea as he can't find a damn thing in his bags. You're a great guy...

KeyProfiler

Poppins