IBM® XL Fortran for Linux is an industry standards-based programming tool used to develop large and complex applications in the Fortran programming language. It generates code that leverages the capabilities of the latest POWER9 architecture and maximizes your hardware utilization. IBM XL Fortran for Linux optimizes your infrastructure on IBM Power Systems™ in support of extensive numerical, scientific and high-performance computing. Announcement: IBM C/C++ and Fortran compilers to adopt LLVM open-source infrastructure.
FORTRAN is a programming language developed for applications involving mathematical computations and other manipulation of numeric data. It is especially well suited to scientific and engineering applications. IBM® VS FORTRAN compiles FORTRAN code to generate efficient applications for the IBM z/OS® and IBM z/VM® platforms. It includes a compiler, a library and interactive debugging facilities. VS FORTRAN provides extensive language capabilities, a highly optimizing compiler, vector and parallel support and programming aids. The Interactive Debug is a flexible and efficient tool to monitor and test the running of VS FORTRAN programs.