Network Serial Port Kit 

Network Serial Port Kit allows you to connect any serial port devices over TCP/IP network or Internet. Program creates and connects up to 254 virtual serial ports at a time. Physical COM ports can be connected over the network as well.
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Windows Std Serial Comm Lib for dBase 

Visual dBASE serial communication component library for serial port communications. Controls multiple ports simultaneously; works with all versions of VDB. Not dependant on support libraries. Use with any language that can call the Windows API.
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Windows Std Serial Comm Lib for Delphi 

Delphi serial communication component library for serial port communications. Controls multiple ports simultaneously; works with all versions of Delphi. Does not depend on support libraries. Use with any language that can call the Windows API.
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MarshallSoft GPS Component for eVC 

Win/CE GPS client library component reads and decodes standard GPS NMEA 183 sentences from the RS232 serial port as well as compute great circle distances and bearings. Registration is $105 ($195 with source) for email delivery.
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IPCOMServer 

IPCOMServer is a Telnet server that runs on the Windows 95,98 and ME platforms. It provides the user with a direct connection between a Telnet client and a given serial port (COM1..X).
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NCD Device Development Lib 

NCD relay controllers allow computer controlled switching from the RS232 serial port of a microcontroller or computer.NCD video switchers allow computer controlled multiplexing of audio or vide signals from the RS232 serial port of your computer.
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