Serial Port Mapper
Serial Port Mapper allows you to map any serial ports to any other serial ports. For example you install additional serial port expansion card to computer as COM7 serial port but your favorite software can work with COM1... COM4 ports only. To resolve this problem you can use Serial Port Mapper... Configuration via command line interface is available as well. ... COM4) but actually work with new COM7 port. ... Now your software can open COM1 port (or COM2... ... COM4.
http://www.serial-port-mapper.com/serial-port-mapper.zip - 609Kb - Download - Screenshot

Virtual Serial Port Kit
Virtual Serial Port Kit creates pairs of virtual serial ports in your system which are virtually connected to each other. Physical null modem cables are not required. You can connect any number of virtual port pairs. Virtual serial port pairs will look and work exactly like real hardware serial... Virtual Serial Port Kit is useful also for users which work with Windows applications using serial COM ports joined by null modem cable especially if those applications require more than one serial port pair.
http://www.virtual-serial-port.com/virtual-serial-port-kit.zip - 796Kb - 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

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... In comparison with a real port a virtual serial port can be easily configured in accordance with your requirements. ... 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.
http://www.virtualserialport.com/download/vspdxp.exe - 2Mb - Download - Screenshot

Eltima Serial Port Monitor
Serial Port Monitor is a professional application for RS232/422/485 COM ports monitoring. It monitors, displays, logs and analyzes all serial port activity in a system. It can effectively be used for monitoring serial data exchange between serial devices and any Windows application, debugging... Serial Port Monitor supports all COM-port types: standard on-board ports, extension board ports, SERIAL-via-USB adapters. ... It can monitor any software/hardware that works with a serial port, intercept and record all serial input/output control codes (IOCTLs), tracking their full details and...
http://www.mks.zp.ua/serial_port_monitor.exe - 3Mb - Download - Screenshot

Serial Port ActiveXControl
Serial Port AX Control is a powerful ActiveX component that can be used to simplify communication with external devices on rs232 connection. This includes modems, bar code readers, PBX or any other devices that have a serial interface. Serial Port AX Control 2. ... 0 introduces an impressive number of new properties for detailed setting of serial port, numerous new methods and events to control serial port state changes. ... This professional Serial Port component is compatible with Microsoft Windows 95/98/NT/ME/2000 & XP, Microsoft Visual Basic 5-7, Microsoft Visual C++ 5-7,...
http://www.virtualserialport.com/download/serial_activex.exe - 866Kb - Download - Screenshot

SerialIP Utilities
SerialIP Utilities is easy-to-use package to resolve a problem of remote access to equipment and log all data received from this equipment into files to analyse them in the future. SerialIP Utilities is a software based RS232 to TCP/IP converter. SerialIP Utilities allows any of the RS232 serial... Transfer data from serial ports to other serial ports between remote or local computers 5. ... Save information received from serial port into file on a disk of remote or local computers 3. ... Give any number of users to have an access to each serial port simultaneously 6.
http://www.fogsoft.com/download/SerialIP_Utilites_Setup.Zip - 1Mb - Download - Screenshot

Free Serial Port Monitor
Free software serial port monitor, Com Rs232 sniffer with communication packet data analyzer. This monitoring utility can spy, capture, view, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control. ... Serial Monitor can be successfully used for monitoring data flow between serial devices and Windows application, debugging com port connections, developing, reverse-engineering and implementing serial protocol, serial device driver development, serial hardware development, research the functionality of any third-party software...
http://www.serial-port-monitor.com...load/free-serial-port-monitor.exe - 3Mb - 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