Virtual Serial Ports is an user mode driver based software with Virtual COM port rs232 null modem cable emulator.
Virtual COM port created in your Windows OS may be:
Connected to a named pipe.
Connected to a different virtual COM port, establishing a virtual serial bridge and emulating virtual Null-modem cable.
Connected to input and output files. Application may open virtual Serial port and read data which is actually taken from the input file. Application may also write data to the Serial port which is actually written to the output file.
Virtual Serial Ports architecture:
Virtual Serial Ports Device Driver
Device Driver operates in the user mode space. It implements functionality of the virtual serial port device.
Virtual Serial Ports ActiveX Control
Provides user with application programming interface (API) to install and manage virtual COM ports.
Virtual Serial Ports Configuration Utility
ActiveX Control Application with simple graphical user interface which allows you to install and manage virtual serial devices in your Windows OS.

• Virtual Serial Port Driver 8.0
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• Virtual Serial Port Driver 9x 2.0
  Virtual Serial Ports Driver (VSPD) is a Windows device driver

• Virtual Serial Port Driver Mobile 4.0
  Virtual Serial Ports Driver Mobile is a brand-new generation of an already popular driver for mobile devices released by Eltima more than a year ago. Now we bring a totally new level of serial emulation for SmartPhones based on the Windows Mobile...

• Eltima Virtual Serial Port Driver 6.9
  Eltima Virtual Serial Port Driver comes in handy when you don't have enough serial ports in your system, or all of them are occupied and you still need more

• Virtual Serial Ports Driver CE 3.2
  Virtual Serial Ports Driver CE creates up to 20 pure virtual serial ports in your mobile system, this results in up to 10 virtual serial ports pairs. Each pair has 2 ports that are virtually connected to each other. For other applications, virtual serial ports will be seen exactly as two real serial ports connected via virtual null-modem cable....

• VSPD Mobile Phone Edition 3.1
  VSPD Mobile Phone Edition is a brand-new generation of already popular driver for mobile devices released by Eltima more than a year ago

• Eltima Serial to Ethernet Connector 5.0
  Serial to Ethernet Connector is an advanced software solution that allows you to share more than 255 serial port devices over network easily turning your computer into low-cost terminal server

• Virtual Serial Ports Driver XP2 2.
  Virtual Serial Ports Driver (VSPD) is a Windows device driver

• Virtual Serial Ports Driver XP2 2.0
  Virtual Serial Ports Driver (VSPD) is a Windows device driver

• Virtual Serial Ports Driver 5.1.3
  Virtual Serial Port Driver by Virtual Serial Port Software, department of Eltima, emulates two virtual serial ports with real serial port functionality, including baud rate, data bits, and allows connecting two applications via virtual serial ports