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 CE
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... In this case all data sent by other applications to virtual serial port COM5 (VSP0) will arrive at virtual serial port COM6 (VSP9), and all data sent to virtual serial port COM6 will arrive at virtual serial port COM5 (VSP0).
http://www.eltima.com/download/vspdce.exe - 432Kb - Download - Screenshot

Virtual Serial Port Driver XP4
Virtual Serial Port Driver XP4 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. ... Then, all you type in first terminal will appear at second one. ... Of course, you can transfer files, other data or do whatever you want as it was real serial ports. ... With Virtual Serial Port Driver XP 4. ... 0 you can connect one application to another using virtual serial ports pair.
http://www.virtualserialport.com/download/vspdxp.exe - 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. ... Then, all you type in first terminal will appear at second one. ... 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.
http://www.eltima.com/download/vspdxp.exe - 1Mb - Download - Screenshot

Serial Port Redirector
Serial Port Redirector is used to connect a serial application to a remote TCP socket. This allows you to utilize modern hardware COM servers without changing your software or exchange data between a TCP/IP application and an old-fashioned program that can only connect to a serial port. ... With Serial Port Redirector, you can easily control remote hardware COM servers via a TCP/IP network from your serial application designed to work with locally connected devices only. ... Serial Port Redirector creates a two-way bridge between a serial application and a specific TCP port at a specified...
http://www.serial-port-redirector.com/serial-port-redirector.zip - 772Kb - Download - Screenshot

Indigo Terminal Emulator
Indigo is a powerful multi-window session based terminal communication software for telnet and serial communications. Indigo offers a comprehensive collection of tools and functions unmatched in competing terminal software. Indigo is a complete replacement for TELNET ® and HYPERTERM ® supporting... Other features include an advanced data logging method to log session data over time and auto generate new log files based on file size or date changes, a command library that allows file based storage of commonly used command sets, an auto command repeater tool that enables you to send a...
http://www.shadeblue.com/indigo/indigoinstall.exe - 9Mb - Download - Screenshot

ActiveSMS - SMS ActiveX
ActiveSMS is an ActiveX DLL that allows you to fully handle GSM, GPRS, HSCSD and UMTS terminals. Easily integrable into any application written in whichever language that supports ActiveX technology (Visual Basic, Visual C++, . NET, Borland Delphi, Power Builder, etc.. ... Handling of phonebooks of both SIM and terminal. ... It supports serial connections , IrCOMM, IrDA, USB and Bluetooth and allows to communicate with the terminals both in PDU mode and in Text Mode. ... Reception and forwarding of binary messages (logos, melodies, EMS, WAP indications).
http://www.activesms.biz/download/ActiveSMSDemo.exe - 2Mb - Download - Screenshot

PHP serial extension
This is a loadable extension for PHP running on Windows implementing serial port handling and communications. Once installed in PHP environment you can programm PHP applications to control serial device hosted on server from remote location; these devices can be anything from video switcher,... There are available functions for opening, closing port, checking port state, reading / writing from / to port, setting control lines.
http://www.easyvitools.com/download/php_ser.zip - 228Kb - 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

Easy Control
Basic like script engine for building Windows applications, targeted to serial and TCPIP comms. Can handle not only basic tasks like open/close ports, write/read data, but more, like waiting for specific data to be received, process data, sending data in various modes. ... A custom serial terminal that will suits your needs can be built in no more than 17 lines of script, a phone dialer in no more than 15 minutes and a network messenger in 22 lines ! ... It is the perfect tool for microcontroller hobbyists to debug, control their serial devices, even from a remote PC.
http://www.easyvitools.com/download/ezctrl20.zip - 861Kb - Download - Screenshot