Near Lock - A new way to lock your Mac. Just walk away.
VSUsbLogon - Free software for Windows, Encryption Software for Windows, Video Downloaders, Login to Windows via USB device, Logon Screen Customization
KeyLock - KeyLock is a program to lock your computer with a USB Flash Drive.
Rohos Logon Key - PC: Two-factor authentication solution that converts any USB drive or Bluetooth smart device into a...
KeyTouch - Lock & unlock your Mac via TouchID on your phone
Bluetooth Unlock - Unlock your Linux based Computer using a Bluetooth device when nearby