Windows only: Application launcher 7stacks adds the Stacks functionality of Mac’s OS X to Windows 7 , including Aero transparency effects that blend into your taskbar perfectly. To create your own stacks, launch the application, pick a folder and the type of launcher you want, create a shortcut on the desktop, and then right-click the shortcut and pin it to the taskbar . You can pin up to 10 shortcuts onto the taskbar this way, and you can choose between Menu, Grid, or Stacks (pictured). Yo