Simply Fortran

A modern Fortran development environment for Microsoft Windows, Apple macOS, and GNU/Linux systems. Try it free for 30 days!

Get Installers for Other Platforms

Windows package includes a complete Fortran compiler, a graphical interface library, and an integrated debugger for fast and easy installation


Just one item to install

Everything Included

Simply Fortran includes a Fortran compiler, advanced development environment, and graphical debugger

Fortran comes first

Designed for Fortran

The development environment is built for Fortran productivity first and foremost, with support for legacy code, derived type autocomplete, and module dependency management

Works on Windows, macOS, and GNU/Linux


Simply Fortran runs perfectly on Windows XP through 11, macOS 10.6 through current, and most GNU/Linux distributions

Simply Fortran News

Latest Release News

June 13, 2024 - Simply Fortran 3.35 Is Released!

Approximatrix is happy to announce the release of Simply Fortran 3.35 for all supported platforms. The latest version includes an updated Fortran compiler on macOS and Windows, cosmetic improvements, and numerous bug fixes.

The included GNU Fortran compiler... (continued)

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Latest Blog Post

May 3, 2023 - Modern Look and Feel Changes Coming to Windows


Simply Fortran 3.30 is currently wrapping up development, and we're introducing some changes to how the development environment looks on the Windows platform. Because our development environment is written mostly in pure C and natively...

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