EXP Net Serial Driver (ENSD)
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.explorinform.com/downloads/products/avsdnet.zip - 576Kb - Download - Screenshot

AlarIT Virtual Serial Driver .IP (AVSD.IP)
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. ... IP server is a service which realizes the exchange between a real driver of the serial port and TCP/IP.
http://www.alarit.com/downloads/products/avsdnet.zip - 576Kb - Download - Screenshot

Win/CE Std Serial Comm Lib for eVB
The Windows/CE Standard Serial Communications Library for eVB (WSC4eVB) is a serial port communication library for Embedded Visual Basic (eVB) programs for the Pocket PC (PPC) and the Handheld PC (HPC). WSC4eVB includes 33 serial port functions plus XMODEM and YMODEM protocols, and a selection... WSC4eVB features include: * Can control any serial device connected to the serial port. ... * Also use with eVC (Embedded Visual C/C++). ... The evaluation version of WSC4eVB is fully functional and can be downloaded from http://www.
ftp://ftp.marshallsoft.com/pub/wce/wsc4evb331.zip - 313Kb - Download - Screenshot

Virtual Null Modem
Null-modem cable is basically used for communication of two RS-232 DTE devices with each other. To create null-modem connection between the devices you need to use two computers or two serial ports of a single computer connected with null-modem cable. ... The most reliable way to create null-modem connection is using of virtual serial ports emulated by virtual serial port driver and null-modem cable. ... s no need in a single PC with several free serial ports and additional multi serial port devices which are expensive and bulky.
http://www.virtual-null-modem.com/download/vnullmod20.exe - 1Mb - Download - Screenshot

Serial Port Monitor
Captures and displays time-tagged text and binary data across a PC serial port, from COM1 to COM12. Supports simultaneous capture to screen, with optional output to file and printer. Display & file/printer capture in three modes: single character, line (terminated by LF or CR), or string... NOTE: Does not share a COMM port with another Windows program, must tap off serial line externally.
http://www.retisoft.com/SrMon111.zip - 3Mb - Download - Screenshot

Multicom.Net
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... The use of our product gives you the possibility to give the remote access to serial port via TCP/IP. ... Net server is a service which realizes the exchange between a real driver of the serial port and TCP/IP.
http://www.intellidriver.com/downloads/products/multicomnet.zip - 283Kb - Download

Advanced Serial Port Monitor
Today we are all living in a completely new era. Nowadays, utilizing digital technologies is as natural as breathing and eating. This is why so many businesses turn towards digital products and solutions. The number of devices that can be connected to a home or office PC grows exponentially. ... Advanced Serial Port Monitor can operate in manual, automatic and spy modes providing developers with unique opportunity to monitor all data received from a device connected to COM port as well as send data directly to a serial port either manually or automatically on given time intervals.
http://www.aggsoft.com/download/aspmon35.exe - 2Mb - Download - Screenshot

Bill Redirect Serial-File-TCP Port & KB
Resident Tray System software for barcode scanner or other serial data capture devices that have a standard RS232 serial interface / file and or TCP Ethernet connection. The program will redirect file/serial/TCP Port and keyboard buffer to any direction. ... , Can send a answer to TCP and or Serial Port; perfect to control protocol ! ... Possibility to control MULTI-PORT (Serial/TCP Ethernet) ! ... Simply the best redirect software available ! ... Redirects inputs (data) to any applications (POS, database, Excel, Word, or your own customized the software).
http://www.symcod.com/BillSerial_KB/Bill_COMtoKB.zip - 3Mb - Download - Screenshot

Windows Std Serial Comm Lib for PowerBASIC
MarshallSoft serial communication component PowerBASIC library (DLL) for serial port (RS-232. RS-422, RS-485) communications. Features of the Windows Serial Communications Library (WSC4PB) include: Uses the standard Windows API to communicate with any device connected to a serial port. ... Supports virtual serial ports (usb to serial converter, bluetooth serial); multi-tasking, Includes 32-bit (WSC32. ... Is port re-entrant. ... Programmer's, Reference, Users and Serial Comm Manuals provided. ... Free technical support and updates for one year.
ftp://ftp.marshallsoft.com/pub/windows/wsc4pb42.zip - 345Kb - Download - Screenshot

Windows Std Serial Comm Lib for Delphi
Serial communication component Delphi library (DLL) for serial port (RS-232. RS-422, RS-485) communications. Features of the Windows Serial Communications Library (WSC4D) include: Uses the standard Windows API to communicate with any device connected to a serial port. ... Supports virtual serial ports (usb to serial converter, bluetooth serial); multi-tasking, Includes 16-bit (WSC16. ... Programmer's, Reference, Users and Serial Comm Manuals provided. ... Is port re-entrant. ... NET, C++ Builder, PowerBASIC, Visual FoxPro, Visual dBase, Xbase++, and COBOL.
ftp://ftp.marshallsoft.com/pub/windows/wsc4d42.zip - 392Kb - Download - Screenshot