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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 5.7.94:

Note: Requires OS X 10.6 or later running on an Intel processor.

  • Updated fn GetNumber in Lexical Analysis - internally it's all CF but it still returns a pascal string. A start on the last conversion phase, lexical analysis.
  • Remaining left$, right$, mid$, ucase$, and instr usage


  • 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.

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5 2


Current Version (5.x)


Downloads 6,583
Version Downloads 227
License Free
Date 04 Oct 2016
Platform OS X / Intel 32
Price Free
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