Mac (9701 programs)
Pros: Makes tweaking additional preferences easy. Slick and well designed interface.
Cons: Changing too many functions might damage your Mac. No upgrade discounts for existing users.
Pros: Runs on older systems. Specific processor builds.
Cons: No Firefox plug-ins. No Flash.
Pros: Multiple file formats supported. Range of interesting features. Minimal interface.
Cons: No Blu-ray support. No media library.
Pros: Simple and discreet interface. Change wallpaper according to time. Drag and drop. Comes with some wallpaper suite.
Cons: None.
Pros: View a single display in multiple platforms. Have the functionality of touchscreen for computers. Lag free synchronized display. Increase productivity by having two screens.
Cons: More features available on subscribing to Duet Pro. Requires Lightning or 30-pin cable for connecting. Requires the latest mobile device OS. May not recognize other touch gestures.
Pros: Clear, customizable drawing interface. Neatly-organized timeline. Open source.
Cons: You'll need a graphics tablet to get anything impressive out of it.