1)   Windows Std Serial Comm Lib for C/C++ 4.3
C/C++/C# RS232 serial port communications component library. Control multiple ports simultaneously. Includes line status/control, modem control, ANSI emulation, ASCII/XMODEM/YMODEM, virtual ports, Bluetooth serial, hardware/software flow control.
serial communications, serial communication, serial port, serial component, .NET component, Visual C++, C#, modem, xmodem, ymodem,

 2)   Windows Std Serial Comm Lib for Visual Basic 4.3
Visual Basic RS232 serial port communications component library. Control multiple ports simultaneously. Includes line status/control, modem control,ASCII/XMODEM/YMODEM, virtual ports (USB to serial, Bluetooth serial, hardware/software flow control.
serial communications, serial communication, serial port, serial component, .NET component, Visual Basic, modem, xmodem, ymodem, Bluetooth serial,

 3)   Windows Std Serial Comm Lib for Delphi 4.2
Serial communications component Delphi library for Delphi programmers. Control multiple serial ports simultaneously. Includes modem control, ANSI emulation, ASCII/XMODEM/YMODEM, virtual ports usb bluetooth serial, hardware/software flow control.
serial communications, serial port toolkit, serial component DLL, Borland Delphi, .NET, modem, xmodem, ymodem, serial line, bluetooth serial,

 4)   Windows Std Serial Comm Lib for PowerBASIC 4.3
PowerBASIC RS232 serial port communications component library. Control multiple ports simultaneously. Includes line status/control, modem control, ASCII/XMODEM/YMODEM, virtual ports (USB to serial, Bluetooth serial, hardware/software flow control.
serial communications, serial communication, serial port, serial component, PowerBASIC, modem, xmodem, ymodem, Bluetooth serial, USB to serial,

 5)   HS XMODEM C Source Library 1.1
HS XMODEM is a software library in C (supplied with full source code) that provides a programmer with the off-the-shelf support for XMODEM protocol data transfer capability. Support for both sender and receiver are provided.
XMODEM, XMODEM protocol, Serial Communications, asynch communications, Win32 COM, Win32 serial,

 6)   Windows Std Serial Comm Lib for dBase 4.3
Visual dBase RS232 serial port communications component library. Control multiple ports simultaneously. Includes line status/control, modem control, ASCII/XMODEM/YMODEM, virtual ports (USB to serial, Bluetooth serial, hardware/software flow control.
serial communications, serial communication, serial port, serial component, Visual dBase, modem, xmodem, ymodem, Bluetooth serial, USB to serial,

 7)   Windows Std Serial Comm Lib for FoxPro 4.3
Visual FoxPro RS232 serial port communications component library. Control multiple ports simultaneously. Includes line status/control, modem control,ASCII/XMODEM/YMODEM, virtual ports (USB to serial, Bluetooth serial, hardware/software flow control.
serial communications, serial communication, serial port, serial component, Visual FoxPro, modem, xmodem, ymodem, Bluetooth serial, USB to serial,

 8)   Windows Std Serial Comm Lib for Xbase++ 4.3
Xbase++ RS232 serial port communications component library. Control multiple ports simultaneously. Includes line status/control, modem control, ASCII/XMODEM/YMODEM, virtual ports (USB to serial, Bluetooth serial, hardware/software flow control.
serial communications, serial communication, serial port, serial component, Xbase++, modem, xmodem, ymodem, Bluetooth serial, USB to serial,

 9)   HS COM 1.0
HS COM is a software library (with full C source code) that allows a calling user application to access serial communication ports (COM devices) under 32-bit MS Windows operating systems. It allows to transmit data, receive data and control the line.
Serial, Serial Communications, asynch communications, Win32 COM, Win32 serial, C Source Module,