Detect the nearby Bluetooth powered devices from PC.
BTProximity is an application for Windows Vista and Windows 7 that can detect when your Bluetooth-enabled phone has come into range, and unlock your computer. When the device moves out of range, the computer is automatically locked. The device needs to be paired with Windows first, then it will show up in the devices list.
Mirror anything from your iOS devices to your desktop.
Make your PC go into sleep mode at specified schedule and show a timeline of sleep and wake periods.
Synchronize data between your desktop and BlackBerry device.