Approximatrix-simply-fortran-3-2 -

Includes an up-to-date GNU Fortran compiler capable of building both 32-bit and 64-bit binaries.

Supports modern features like autocompletion for derived types, syntax highlighting , and automatic line continuation for both fixed- and free-format code.

Uses a graphical interface for the GNU Debugger, allowing for breakpoints, variable examination, and stack traces.

US$149.00 per year for floating seats managed via a license server. Platform Compatibility Simply Fortran is cross-platform and compatible with: Windows: Versions XP through 11. macOS: Version 10.6 through current releases. GNU/Linux: Most modern distributions. Simply Fortran 3.30 Released

A feature introduced in the 3.x branch (specifically v3.28) that allows users to quickly store code snippets or test algorithms in temporary, auto-managed files.

Includes a library for building basic graphical user interfaces (GUIs) and 2D plotting directly in Fortran. Pricing and Licensing The software is commercial but offers a 30-day free trial . Individual License (Windows, macOS, or Linux): US$149.00.