MacID - Unlock your Mac with just your fingerprint, passcode, or wrist – without even unlocking your iOS...
USB Raptor - Lock and unlock your computer using USB flash drives as keys.
Tether - Lock and unlock your Mac automatically with your iPhone
Near Lock - A new way to lock your Mac. Just walk away.
Knock - Sell your home in 6 weeks or less
VSUsbLogon - Free software for Windows, Encryption Software for Windows, Video Downloaders, Login to Windows via USB device, Logon Screen Customization