PopClip puts Cut, Copy and Paste (and more!) at your fingertips, with a popover menu which appears when you select text on your Mac.

Air Printer can turn your Mac to an virtual printer, Run Air Printer on your Macbook, iMac to share its printer to your nearby Mac or other devices, Then whether you’re on the other side of the room or the other side of the house, you can print what you need, when you need it.