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. 2)   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. 3)   Windows Std Serial Comm Lib for Delphi 4.3 Borland Delphi 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. 4)   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. 5)   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. 6)   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.