Smart Sniffer(former Multi Ports Sniffer for COM, LPT, USB).
The best tool for doing LPT, COM and USB port's data transfer logging. Using this tool you can simply do monitoring and spying data transffered through ports. This is useful for people who want to research any additional HW connected to port like mobile phones.
http://www.smartsniff.com/cgi-bin/gets.pl - 2Mb - Download - Screenshot

Advanced USB Port Monitor
Advanced USB Port Monitor is a USB Bus, USB Device and Protocol Analyzer. Advanced USB Port Monitor packs the robust functionality to capture, view and process USB traffic. It offers sophisticated viewing and intelligent searching to accurately and efficiently debug and test High (480Mbps), Full... The Advanced USB Port Monitor design enables users to use it with any USB device, extending beyond the lab environment to the personal workstations of USB developers and advanced USB device users. ... The Advanced USB Port Monitor software allows you to display the packets sent, decode the...
http://www.aggsoft.com/download/ausbmon20.exe - 3Mb - 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. ... Serial Port Redirector creates a two-way bridge between a serial application and a specific TCP port at a specified IP address. ... If you wish to use your old serial applications to analyze the data or control the devices, you will need a tool like Serial Port Redirector.
http://www.serial-port-redirector.com/serial-port-redirector.zip - 772Kb - 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. ... Serial Port Monitor will automatically append all monitored data to a file in real-time.
http://www.mks.zp.ua/serial_port_monitor.exe - 3Mb - Download - Screenshot

COMM-DRV++
Easy to use professional serial communication C++ class library for Windows. COMM-DRV++ allows you to accomplish your serial communication task literally in minutes after installation. We have encapsulated general communication functions into easy to understand methods that are applicable to... h" main() { CCdrvPPPort Port; if (! ... Port. ... OpenPort(1)) if (! ... ModemDial("2815551212") if (! ... SendFileZmodem(FileXferDialogFlagOn ,"Myfile. ... #include "CCdrvPPPort. ... The following example is a complete working Windows application that calls another computer and transfers a file...
http://www.wcscnet.com/ftp/demo/cdrvp100.exe - 6Mb - Download - Screenshot

Multiport.USB
There is a number of the equipment controlled through a serial port from a PC or a terminal. Also there is a lot of the technologies in the market allowing to operate remotely the consecutive devices through the network TCP/IP. These solutions contain, both software and the hardware. ... Nowadays there are more and more devices with interface USB as alternative to the parallel or consecutive connection, but there are still no decisions on the remote control of USB devices. ... LetOs suppose you have purchased the software protected by USB HASP KEY, but you want this product to be used on...
http://www.intellidriver.com/downloads/products/multiportusb.zip - 576Kb - Download

ActiveComport Serial Port Toolkit
Serial port toolkit to enable applications or scripts to communicate with a modem or other serial port device. This ActiveX control features full com port control, binary and ASCII data transfer, support for RS 232 and RS 485 standards and ISDN modem support. ... ActiveComport can control any device that has a serial interface (com port): a printer, a modem, an ISDN modem, a USB serial device, a network device, a computer, a weight indicator, a scanner, etc. ... NET platforms. ... activexperts. ... com/activcomport to view online samples.
http://www.activexperts.com/files/activcomport/acomport.exe - 1Mb - Download - Screenshot

COMM-DRV/Lib.Net Professional Edition
COMM-DRV/Lib. Net is a professional serial communication library component for the . Net Windows development environment. It is extremely easy to use whether you are writing simple serial communication applications or complex enterprise applications. ... * Supports USB to RS232 converters, Ethernet to serial converters, and USB modems with their respective COM drivers. ... * Extensive statistics on every port(bytes lost, sent, received, errors, etc. ... * Completely port re-entrant, allowing it to be time-sliced.
http://www.wcscnet.com/FTP/DEMO/CdrLN200.exe - 4Mb - Download - Screenshot

AlarIT Virtual USB Driver
There is a number of the equipment controlled through a serial port from a PC or a terminal. Also there is a lot of the technologies in the market allowing to operate remotely the consecutive devices through the network TCP/IP. These solutions contain, both software and the hardware. ... Nowadays there are more and more devices with interface USB as alternative to the parallel or consecutive connection, but there are still no decisions on the remote control of USB devices. ... LetOs suppose you have purchased the software protected by USB HASP KEY, but you want this product to be used on...
http://www.alarit.com/downloads/products/avsdnet.zip - 576Kb - Download - Screenshot

MarshallSoft GPS Component for Visual Basic
The MarshallSoft GPS Component VB (MGC4VB) library toolkit reads and decodes industry standard GPS NMEA 183 sentences from the RS232 serial port as well as computing great circle distances and bearings. Features of MGC4C include: The most current GPS data is always available on demand * Runs as... ) * Uses the Windows Win32 API for serial port input - no special Windows driver or support libraries are required * Can also be used with C, C++, C#, Delphi, Visual FoxPro, Visual dBase, Xbase++, PowerBasic and COBOL * Can be ordered with or without C source code for the DLL * Free technical...
ftp://ftp.marshallsoft.com/pub/windows/mgc4vb14.zip - 233Kb - Download - Screenshot