Aqua's KeyTest - The program lets you check to see if all keys on your board function properly
DOTKey - 21st century typing for 21st century devices
KeyboardTest - PassMark KeyboardTest allows users to quickly check that all the keys on their computer keyboard...
Logitech Bluetooth Multi-Device Keyboard K480 - Whilst the keyboard functionality itself is quite basic, the ease with which you can switch between devices, and the added cradle for supporting tablet and/or phone make this a useful keyboard for anyone wanting one keyboard to rule them all.
Blurweb App - Secure sensitive info while screen share recording or live
Parrot Bepop Drone - Drone + Tablet + Oculus Rift --> magical combination