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. Several Fortran compilers are supported. Winteracter is specifically designed for use with compilers which support Fortran 90 or later.

Celebrating 25 years since the original release, version 15.0 is now available.
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


Recent Product News