Welcome to the Winteracter home page. Developed in the UK by Interactive Software Services Ltd., Winteracter is a GUI toolset for the Fortran programming language. It consists of various visual development tools and a substantial subroutine library. Versions are available for a variety of Fortran compilers. Winteracter is specifically designed for use with compilers which support Fortran 90 or later.

Version 10.10 now available

Dual 32/64-bit licences

Sales enquiries : Technical support :

Product Highlights

  • Create GUI based applications using Fortran 9x/200x
  • GUI controls based on native Windows/Motif components
  • Totally Fortran based, no mixed language programming
  • No low level API access required
  • Visual tools simplify GUI design
  • Meaningful names make code easier to read/maintain
  • Mature platform-independent graphics
  • Substantial operating system interface
  • Numerous graphics hardcopy/export formats supported
  • Royalty-free distribution of Winteracter-based programs
  • Free technical support by email


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