HHD Software, Ltd.
It allows you to create virtual serial ports and emulate their behavior.
Virtual Serial Port Driver allows creating virtual serial port pairs on a PC.
HW Virtual Serial Port allows creating virual serial port drivers.
USB Virus Scan
A small utility that scans for threats in USB drives.
eMule Plus Team
eMule Plus 1.2c is basically the original eMule P2P client with an improved GUI.
This tiny utility will emulate the pass-through playback from a mic to speakers.
ETech Software Ltd
Dongle emulator based on Virtual USB emulation technology.
It is a serial port emulation that allows you to control the USB IO Board.
This uses a USB port on your computer to connect to a high definition monitor.
EPASS spol. s r.o.
ePass is a SmartCard based token that plugs into the USB port of any computer.
A measurement device using USB port to connect to a computer or other machines.
It's a measurement device using USB port to connect to a computer.
Digital camera which connects to a computer via a USB port.
Barcode scanners can be connected to PC through serial port or USB port.
Advantech Equipment Corp.
A gang programmer, which works through your PC's USB port or parallel port.
It is an advanced traffic generation and emulation system for SuperSpeed USB 3.0.