Padbury Clock Screensaver - Minimal screensaver for Mac
Luna Display - Hardware that turns the iPad into a wireless second display
Aerial - A beautiful aerial screensaver for your 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.
Fliqlo Screensaver - A screensaver that displays the time using a flip clock.
Mountie - Mount a second screen (iPad/iPhone/tablet) to your MacBook