Virtual Port

HW VSP
Free - HW group

HW VSP adds a virtual serial port (COM5) to the system and redirects all communication over TCP/IP to remote IP address. HW VSP is free in unlimited version, it supports Windows 2000 and XP. HW VSP works with any TCP/IP device, it can work as a TCP server as well as a TCP Client. HW VSP supports remote RS232 port control (speed, parity, stop bits, etc..) over the RFC2217 (NVT).

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Free PacketTrap Port Scan
Free - PacketTrap Networks, Inc.

PacketTrap (http://www.PacketTrap.com) Port Scan is a FREE utility that looks for open TCP ports on one or more network nodes. Port Scan may be configured to scan commonly used ports or a custom set of ports as needed. The fast, accurate results are available for export. Ping Scan is part of the pt360 Tool Suite - network monitoring and diagnostic tools in a single interface.

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PacketTrap Port Scan
$99.00 - PacketTrap Networks, Inc.

PacketTrap (http://www.PacketTrap.com) Port Scan is a utility that looks for open TCP ports on one or more network nodes. Port Scan may be configured to scan commonly used ports or a custom set of ports as needed. The fast, accurate results are available for export. Ping Scan is part of the pt360 Tool Suite - network monitoring and diagnostic tools in a single interface.

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Windows Std Serial Comm Lib for C/C++
$115.00 - MarshallSoft Computing

RS232/RS485/RS422 serial port C/C++/.NET communication software. Supports 256 ports, control multiple ports simultaneously, fully thread safe,modem control, ANSI emulation, ASCII/XMODEM/YMODEM. Supports virtual ports (USB to serial, Bluetooth serial), hardware/software flow control, serial line status & control. Use with Microsoft C/C++/C#, Borland C/C++, Watcom C/C++, LCC-Win32, MFC and C++ Builder. Works with Win95 thru Win7. Win16,Win32,Win64.

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Serial Port Control
$149.95 - FabulaTech

Serial Port Control is an inexpensive royalty-free component. You can use it with any development environment, such as VB, VB .Net, VC++, C#, Delphi, etc. Just put it on a form and vou've got all the functionality you need to access an RS232 port. The event driven architecture makes it a snap to use. Just define a function in your program and it will be triggered automatically when new data is available through the port.

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Serial Port Terminal
$39.95 - ELTIMA Software GmbH

Advanced Serial Port Terminal is a great tool for developers that lets connect to any number of serial ports (including virtual ones) or to remote computer using null modem cable. The application lets you open as many serial ports as you like; dynamically change serial port settings without closing and reopening current port; adjust baudrate, databits, stop bits, flow control parameters; save all received bytes into a file and do lots more.

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