Open-source, highly optimized, massive community support.
While you can use any text editor, Visual Studio Code is recommended because it is free, modern, and offers excellent Fortran support through extensions.
, developed by Approximatrix, is a complete Fortran development environment for Windows, Linux, and macOS. It includes a modern Fortran compiler, an integrated debugger, a graphical interface library, and optimized BLAS/LAPACK libraries.
Choose only for retro computing curiosity or if you have very specific minimalistic needs that justify running DOSBox.
Silverfrost FTN95 is a dedicated Windows Fortran compiler that offers full compatibility with FORTRAN 77. The Personal Edition is completely free for personal and educational use.
If you have any questions or run into any snags during installation, the online Fortran community and the documentation for each tool are excellent resources for help.