Luna Display - Hardware that turns the iPad into a wireless second display
Padbury Clock Screensaver - Minimal screensaver for Mac
Duet Display - With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.
Aerial - A beautiful aerial screensaver for your Mac
Mountie - Mount a second screen (iPad/iPhone/tablet) to your MacBook
Fliqlo Screensaver - A screensaver that displays the time using a flip clock.