Bueno si eres de los que ya tienes el Mountain Lion instalado en tu Mac, debes de ver Mountain Tweaks para que habilites todas esas funciones escondidas en el OS X o aquellas que Apple dejo apagadas por defecto pero aún están ahí.
Available tweaks:
● Show/Hide the user Library folder.
● Change to a 2D or 3D dock.
● Enable/Disable system window animation.
● Enable/Disable mail reply animation.
● Remove/Add Reading List Icon in Safari.
● Enable/Disable Spelling Correction.
● Enable/Disable repeating keys.
● Enable/Disable permanent scrollbars.
● Show Hidden Files.
● Disable Crash Dialog Pop-Up.
● Get a new Stack List View.
● Highlight Stack items on mouseover.
● Change iCal leather interface to aluminium
● Change Address Book leather interface to aluminium
● Disable resume for a single app
● Enable the hidden FTP-server
● Customize Launchpad folder background
● Disable local Time Machine Backups
● Enable Airdrop on old hardware
● Enable colours in the Finder sidebar
● Enable iTunes Dock Animation
● Enable TRIM support in Lion
● Enable secret iCal debug-menu
● Remove Spotlight icon
● Disable gatekeeper
● Highlight non-retina images
● Remove leather from Contacts (ML)
● Remove leather from Calendar (ML)
El programa es gratis, pero puedes hacer una donacion si lo deseas.
