Easy to use professional serial communication C++ class library for Windows XP, Windows 2000, Windows Me, Windows 98, & Windows 95. Includes the ZModem, YModem, & XModem file transfer protocols. Supports Microsoft Visual C++ & Borland C++. Supports any number of ports running concurrently. Supports any device that has a Windows serial communication driver (multiport card, USB comm hubs, modems, etc.)

Professional serial communication library - DLL for Windows & MSDOS libraries. Supports ZModem, YModem, XModem file transfer protocols, Hayes compatible modems, Microsoft Visual C/C++, Borland C/C++, Access, Visual Basic, Professional Basic, QuickBasic, & all tools that can call DLLs. Supports any number of ports running concurrently & any device that has a Windows serial communication driver (multiport card, USB - serial hubs, modems, PCMCIA).