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FutureBasic 5 builds Mac OS X Carbon applications (32-bit only) and command-line tools (32- and 64-bit). The FutureBasic 5 IDE consists of a syntax-aware editor, and a translator (FBtoC) that converts FB code into C code. The translation is then compiled with the clang system compilers.

Beginners can use a simplified run-time, ConsoleWindow, to write programs while not having to worry about things such as a graphical user interface (GUI) or printing. Experts can build standard Mac applications using both FB source, C and Objective-C

Support Note Technical support via the listserve (free)

What's New

Version 5.7.100:
  • OSPanelOpen/OSPanelSave are new built-in FB keywords; they offer more options than files$ but don't use the Carbon framework
  • FBHelp updated to include OSPanelOpen/OSPanelSave
  • ‘redefined variable’ errors if both Util_FileDirectory.incl and Util_FileManager used in same project/file
  • DEFSTR long incorrectly


  • OS X 10.6 or later
  • Xcode must be installed for access to the clang compiler; Xcode itself is not launched and not used while using FB.
    • It is possible to install clang without installing Xcode but installing Xcode is going to be much easier, though Xcode use is not required.

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FutureBASIC User Discussion

5 3


Current Version (5.x)


Downloads 7,164
Version Downloads 353
License Free
Date 19 Apr 2017
Platform OS X / Intel 32
Price Free
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