Fortran

Functional programming for modern Fortran.

a cross-platform library to build Graphical User Interfaces (GUI) using GTK+. Very useful when combined with the Glade RAD tool.

Pure Fortran (2003+) library to write and read data conforming the VTK standard.

a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.

one of the fastest open source BLAS libraries available. Almost as fast as Intel MKL.

A Fortran 2008 JSON API.

Fortran 95 JSON Parser.

Fortran XML library

A Fortran 2003 date and time manipulation library, modeled after Python's datetime library.

Base64 encoding/decoding library for FoRtran poor men. A KISS library for base64 encoding/decoding for modern (2003+) Fortran projects.

Pure Fortran (2003+) library for ensuring codes portability.

Fortran command Line Arguments Parser for poor men. A KISS library for building easily nice Command Line Interfaces (CLI) for modern (2003+) Fortran projects.

Options & input processing for modern Fortran.

Fortran Building System for poor men. A KISS tool for automatic building modern Fortran projects.

Preprocessor for Fortran poor Men.

An automatic documentation generator for modern Fortran programs.

Exascale multiphase compressible flow solver with GPU acceleration via OpenACC. 2025 Gordon Bell Prize Finalist.

Open source Finite volume Fluid dynamics code.

An MVC web stack written in Fortran 90