USB Raptor - Lock and unlock your computer using USB flash drives as keys.
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
MacID - Unlock your Mac with just your fingerprint, passcode, or wrist – without even unlocking your iOS...
Rohos Logon Key - PC: Two-factor authentication solution that converts any USB drive or Bluetooth smart device into a...
BLEUnlock - Lock/unlock your Mac with your iPhone, Apple Watch, or any other Bluetooth LE devices.