1)   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,

 2)   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,

 3)   ASP Printer COM 2.1
Print your reports, Text data / files, RTF data / files, PDF files and HTML files from any programming language including VB, VB.NET, ASP, ASP.NET, C#.NET, VC++.NET, HTML, VB Script, Java Script, MS Word, MS Excel, MS Access, VBA and MS Office, etc.
Print Text files, Print PDF files, Print HTML files, Print RTF files, Print Text files, VB component, .NET component, ActiveX DLL, COM component, Visual Basic component,

 4)   MarshallSoft GPS Component for C/C++ 2.0
GPS component C/C++ (.NET) library toolkit reads and decodes standard GPS NMEA 183 sentences from the RS232 serial port; computes great circle distances and bearings. Runs as a background thread unattended. Works with C++,VC.NET,C#,MFC,C++ Builder.
gps component, nmea, rs232, usb, bluetooth, navigation sentence, nmea sentence, gps sentence, component, library,