Watcom Fortran

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Watcom Fortran is now available for free on the Open Watcom site. The current version is 1.9, which can be downloaded here.

The older name of this compiler was WATFOR-77.

Much like the C compiler, This compiler can target:

  • 16bit MS-DOS real mode
  • 16bit OS/2 286 protected mode
  • 16bit Windows protected mode
  • 32bit OS/2
  • 32bit Windows NT
  • 32bit MS-DOS via the DOS/4GW Dos Extender

Watcom Fortran supports the F77 language, and can be re-compiled using Watcom C. You can also cross compile Watcom Fortran to the DEC Alpha running Windows NT..