Graphics Libraries

• DISLIN - a high-level graphing and user-interface library.

• f90gl - public domain implementation of the official NIST Fortran 90 bindings for OpenGL.

• gtk-fortran (⭐285) - a cross-platform library to build Graphical User Interfaces (GUI) using GTK+. Very useful when combined with the Glade RAD tool.

• PGPLOT - cross-platform scientific graphing library.

Math Libs

• FGSL - portable, object-based Fortran interface to the GNU scientific library

• IMSL - The IMSL Fortran Numerical Library is the standard for high performance computing commercial mathematics and statistics libraries

• Lis - a Library of Iterative Solvers for Linear Systems

• NAG Fortran Library - Produced by experts for use in a variety of applications, the NAG Fortran Library has a global reputation for its excellence and, with hundreds of fully documented and tested routines, is the largest collection of mathematical and statistical algorithms available

Fortran Websites

• The Fortran Company - A home page of FORTRAN programming language.

Functional Libraries

• Functional Fortran (⭐434) - Functional programming for modern Fortran.

Testing

• Vegetables - For a healthier code base, eat your vegetables

Web

• Fortran Machine (⭐812) - An MVC web stack written in Fortran 90

Graphics Libraries

• VTKFortran (⭐152) - Pure Fortran (2003+) library to write and read data conforming the VTK standard.

XML Manipulation

• xml-fortran - an all-Fortran solution for reading and writing XML files.

Date and time manipulation

• datetime-fortran (⭐149) - A Fortran 2003 date and time manipulation library, modeled after Python's datetime library.

Testing

• FRUIT - FORTRAN Unit Test Framework, written in FORTRAN 95

• pFUnit - Unit testing framework for Fortran with MPI extensions by developers from NASA and NGC TASC. Uses parallel codes and object-oriented design.

Portability enabling

• PENF (⭐43) - Pure Fortran (2003+) library for ensuring codes portability.

Docker

• Unoficial Image - docker image provided by @baekjoon

Fortran Websites

• Fortran Dev - Fortran development blog.

Fortran Videos

• GNU FORTRAN Lesson 1 - Videos about the Fortran programming language.

Encoding-Decoding

• BeFoR64 (⭐23) - Base64 encoding/decoding library for FoRtran poor men. A KISS library for base64 encoding/decoding for modern (2003+) Fortran projects.

Command-Line parsing

• FLAP (⭐170) - 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.f90 (⭐12) - Options & input processing for modern Fortran.

Compiling and building

• FoBiS (⭐141) - Fortran Building System for poor men. A KISS tool for automatic building modern Fortran projects.

Preprocessor

• Blockit/PyF95++ - A fairly simple Python framework used to block parse your code (or any text file) into nested blocks. The BlockIt framework has already been used to create a templating capability for the Fortran 95/2003 language along with some language extensions.

• PreForM (⭐23) - Preprocessor for Fortran poor Men.

Automatic documentation

• FORD (⭐42) - An automatic documentation generator for modern Fortran programs.

Computational Fluid Dynamics

• OFF (⭐146) - Open source Finite volume Fluid dynamics code.

Fortran Websites

• Fortran WIKI - An open venue for discussing all aspects of the Fortran programming language and scientific computing.

Testing

• Ftunit - Fortran unit testing framework by Arjen Markus

Graphics Libraries

• F03GL - a Fortran 2003 interface to the OpenGL library, along with the GLU and GLUT toolkits.

Math Libs

• BLAS - application programming interface standard for publishing libraries to perform basic linear algebra operations such as vector and matrix multiplication.

• CERNLIB - The CERN Program Library is a large collection of general purpose libraries and modules maintained and offered in both source and object code form on the CERN central computers

• EISPACK - a software library for numerical computation of eigenvalues and eigenvectors of matrices, written in FORTRAN

• netCDF (⭐266) - a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.

• OpenBLAS (⭐7.3k) - one of the fastest open source BLAS libraries available. Almost as fast as Intel MKL.

JSON Manipulation

• FSON (⭐66) - Fortran 95 JSON Parser.

• json-fortran (⭐375) - A Fortran 2008 JSON API.

XML Manipulation

• fox (⭐64) - Fortran XML library