Virtual Serial Ports Driver
Virtual Serial Port Driver by Virtual Serial Port Software, department of Eltima, is a sophisticated software solution aimed to create two pure virtual serial ports virtually connected to each other in your system. Therefore, without additional hardware installation you may use extra serial... Unlike standard physical serial ports, virtual ports can be assigned any number and you can create as many virtual serial port pairs in your system as you want. ... In comparison with a real port a virtual serial port can be easily configured in accordance with your requirements.
http://www.virtualserialport.com/download/vspdxp.exe - 2Mb - Download - Screenshot

Serial Port Control
Software developers can access various devices by utilizing the Windows API. When using an API, you gain access to a full spectrum of available features, but API programming is a very tough and time-consuming task. You have to study the documentation and you have to create all the... We recommend you give Serial Port Control from FabulaTech a try. ... Just put it on a form and you have all the functionality you need to access a serial port, either physical or virtual. ... Serial Port Control automatically enumerates all the ports available in the system.
http://www.serial-port-control.com/serial-port-control.zip - 561Kb - Download - Screenshot

Serial Port Terminal
Advanced Serial Port Terminal is a session-based, multi-purpose application that provides simple communication interface to connect to any serial port device (modem;fax;GPS;mouse;printer and so on). Whether you want to connect to remote computer using null-modem cable, send or receive various... Advanced Serial Port Terminal allows you to open as many serial ports as you like (including virtual serial ports); dynamically change serial port settings without necessity to close and reopen current port; adjust baudrate, databits, parity, stop bits, flow control parameters; save all received...
http://www.virtualserialport.com/download/serial_port_terminal.exe - 2Mb - Download - Screenshot

AVSD OEM
AVSD OEM is a programming interface, which allows you to add support of virtual serial ports to your own application. You have full control over ports created with the help of AVSD OEM, including reading data that some other application has written using WriteFile function, writing data to be... Now you can monitor all data that application writes to the port and redirect it to the real COM port. ... If you have the software, which works with some device connected to COM port and you want to capture all the data that goes to and from the port, then AVSD OEM is what you need!
http://www.virtualserialdriver.com/files/avsd_oem.zip - 448Kb - Download

Multicom OEM
Multicom OEM is a programming interface, which allows you to add support of virtual serial ports to your own application. You have full control over ports created with the help of Multicom OEM, including reading data that some other application has written using WriteFile function, writing data... Now you can monitor all data that application writes to the port and redirect it to the real COM port. ... If you have the software, which works with some device connected to COM port and you want to capture all the data that goes to and from the port, then Multicom OEM is what you need!
http://www.intellidriver.com/downloads/products/multicomoem.zip - 448Kb - Download

COM Port Toolkit
COM Port Toolkit is an integrated serial communications testing toolkit. It sends user's data to and receives one from a device and records all transfers to a log. You can test equipments serial communications protocol by hand: feed it input, check the output. ... COM Port Toolkit can capture serial communications between the device and the software by using special serial port driver. ... COM Port Toolkit's scripting language is an enhanced, C-like programming language, including if, else, for, do and while constructs and the usage of user defined functions.
http://www.compt.ru/download/compt.zip - 1Mb - Download - Screenshot

Virtual Serial Ports Driver XP
Virtual Serial Ports Driver (VSPD) creates two pure virtual serial ports in your system which are virtually connected to each other. For other Windows applications, virtual ports will be seen exactly as two real serial ports connected via null-modem cable. ... With VSPD you can connect one application to another using virtual serial ports pair. ... Of course, you can transfer files, other data or do whatever you want as it was real serial ports. ... You can select any port numbers for virtual pair.
http://www.eltima.com/download/vspdxp.exe - 1Mb - Download - Screenshot

ITS Net Serial Driver (ITSNSD)
While the operation of different facilities, which are connected to a computer via serial port, there may appear the necessity to start up utility program (for these facilities) not in the machine, to which the facilities connect directly, but in the remote machine, that is connected to the... IP address of the receiving server, port number and the number of the real serial port on the receiver are specified on the client for each port. ... Besides the data flow, TCP/IP transfers the overhead information about the condition of different signals on serial port physical contacts.
http://www.itsuperiority.com/downloads/products/avsdnet.zip - 576Kb - Download - Screenshot

HiFlyTechNet Serial Driver (HNSD)
While the operation of different facilities, which are connected to a computer via serial port, there may appear the necessity to start up utility program (for these facilities) not in the machine, to which the facilities connect directly, but in the remote machine, that is connected to the... IP address of the receiving server, port number and the number of the real serial port on the receiver are specified on the client for each port. ... Besides the data flow, TCP/IP transfers the overhead information about the condition of different signals on serial port physical contacts.
http://www.hiflytech.com/downloads/products/avsdnet.zip - 576Kb - Download - Screenshot

Alarit Net Serial Driver (ANSD)
While the operation of different facilities, which are connected to a computer via serial port, there may appear the necessity to start up utility program (for these facilities) not in the machine, to which the facilities connect directly, but in the remote machine, that is connected to the... IP address of the receiving server, port number and the number of the real serial port on the receiver are specified on the client for each port. ... Besides the data flow, TCP/IP transfers the overhead information about the condition of different signals on serial port physical contacts.
http://www.alarit.com/downloads/products/ansd.zip - 283Kb - Download - Screenshot