1)   Exp USB Virtual Driver (EUSBVD) 2.0 There is a number of the equipment controlled through a serial port from a PC or a terminal. 2)   HUSB Virtual Driver (HUSBVD) 2.0 There is a number of the equipment controlled through a serial port from a PC or a terminal. 3)   AlarIT Virtual USB Driver 2.1 There is a number of the equipment controlled through a serial port from a PC or a terminal. 4)   Multiport.USB 2.0 There is a number of the equipment controlled through a serial port from a PC or a terminal. Now with Multiport.USB you can: -Create virtual USB devices at your PC -Redirect all USB stream to remote computer