WowAce

MoreActionBars

Prevents your action bars from changing when you switch specs. Type /msb or /mergespecbars for options.

Fancy up the ExtraActionButton frame

Enables cooldown notification between players and allows party members access to each-others spell books.

Provides buttons and keybinds for raid flare world markers that never stop working mid-session

Save, load key bindings, set autoload for specchange, etc

A frame designed for each specialization of druid's watching their main power and important buffs/debuffs

Damage and Healing numbers for buttons.

Myslot is for transferring settings between accounts. Feedback [email protected]

Display auras on action buttons.

Parabole skin for Masque

BartenderAdvanced

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

Kenzo is a skin for Masque

Replacement for ActionButton_Show/HideOverlayGlow APIs

Cirque Skins for Masque

Remove the gryphon graphics on end of action bar.

Additional Action Bar Buttons

Displays reagent count on spell action buttons