C-Free 

An excellent Integrated Development Environment(IDE) for C/C++ language, with which you can edit, build, run and debug your program freely.
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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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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 Xbase++ 

Xbase++ serial communication component library for serial port communications. Controls multiple ports simultaneously; works with all versions of Xbase. 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 PowerBASIC 

PowerBASIC serial communication component library for serial port communications. Controls multiple ports simultaneously; use with PB/CC, PB/DLL and PB/WIN. Does not depend on support libraries. Use with any language that can call the Windows API.
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Windows Std Serial Comm Lib for C/C++ 

C/C++ serial communication component library for C++ and .NET programmers. Control multiple ports simultaneously; also works with MFC and C++ Builder. Includes modem control, ANSI emulation, ASCII/XMODEM/YMODEM. Does not depend on support libraries.
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