ITNSD gives you the possibility to give the remote access to serial port via TCP/IP.

ANSD gives you the possibility to give the remote access to serial port via TCP/IP.

Serial Port Control is an inexpensive royalty-free component. It supports VB, VB.Net, C#, Borland Delphi, Borland Builder. Just put it on a form and you've got all the functionality you need to access an RS232 port.

HW VSP is a free unlimited virtual serial port driver for Win2000 and XP, redirecting all data from the virtual COM5 (for example) to a predefined IP address. The RFC2217 standards for remote RS232 serial port control are supported.

Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze test com ports activity performing com port connection and traffic analysis with data acquisition

An inexpensive royalty-free component to access serial ports.

Resident Tray System software for barcode scanner or other serial data capture devices that having a standard RS232 serial interface / file and or TCP Ethernet connection.

Delphi component that communicates with a serial GPS receiver.