Update since Oct. 4, full list here
Art and Music
TapTempo Fortran: command line taptempo written in modern Fortran, by Vincent Magnin. Listen to a song and hit enter key with style and you’ll get the corresponding number of beats per minute (BPM).
Astrophysics
Discrete Element Model Body (DEMBody): software for Granular Dynamics Simulation for Planetary Science and Geophysics, by Bin Cheng. It incorporates classical granular dynamics simulations and N-body self-gravity calculation.
ramses: models astrophysical systems, featuring self-gravitating, magnetised, compressible, radiative fluid flows. It is based on the Adaptive Mesh Refinement (AMR) technique on a fully-threaded graded octree.
Benchmarks
Himeno Benchmark in Modern Fortran: Himeno benchmark to evaluate performance of incompressible fluid analysis code, written in Modern Fortran style, achieving almost the same execution performance as the original version, by Tomohiro Degawa. In this program, global variables are eliminated, and some variable names and subroutine names are refactored.
Biology and Medicine
ANCC: Python scripts and Fortran code for ambient noise tomography, such as computing cross-correlation (with parallel computing), and extracting dispersion curves, by Youshan Liu
Fortran Image Processing: processing, manipulating, and filtering CT scan data, by Nisarg Patel. A CT scan data could be binary RAW data or VTK data.
Climate and Weather
ExoRT: reasonably flexible two-stream radiative transfer code designed for use with 3D climate models, by Eric T. Wolf. In this software, contained are builds for a 1-D offline version, and for directly interfacing with CESM/CAM4.
Compiler Tests
AdHoc: archives ad hoc tests for modern Fortran compilers used by Sourcery Institute, Sourcery, Inc., their collaborators, sponsors, and clients. These tests emphasize support for the Fortran 2003 and 2008 standards along with features proposed for Fortran 2015 in technical specification TS 29113 Further Interoperability with C and the draft technical specification TS 18508 Additional Parallel Features in Fortran.
FCVS_95: modified version of NIST F77 validation suite, updated for Fortran 95. The original is FCVS.
Computational Chemistry
CoarseAIR: Fortran 2008 Code for State-to-State and Coarse-Grained Quasi-Classical Trajectory (QCT) Method. Reference: S Venturi - “Machine Learning and Uncertainty Quantification Framework for Predictive Ab Initio Hypersonics” - Ph.D. Thesis, University of Illinois at Urbana-Champaign (2021)
Donostia Natural Orbital Functional Software (DoNOFsw): performs computational chemistry calculations based on the Natural Orbital Functional Theory (NOFT), including PNOF5, PNOF6 and PNOF7. Correlation corrections after PNOF calculations can be estimated by second order perturbation theories.
linemake: atomic and molecular line list generator, by Chris Sneden et al. Rather than a replacement for a number of well-established atomic and molecular spectral databases, linemake aims to be a lightweight, easy-to-use tool to generate formatted and curated lists suitable for spectral synthesis work.
Computational Fluid Dynamics
AerOpt: aerodynamic optimisation code based on control node parameterisation, by Ben Evans et al.
channel: direct numerical simulation of an incompressible turbulent channel flow with two dimensional parallelization, by Davide Gatti
Fluid2d: versatile Python-Fortran CFD code that solves a large class of 2D flows, by Guillaume Roullet et al. It is designed to be used easily by Students learning Fluid Mechanics or Geophysical Fluid Dynamics and by their professors willing to illustrate their course and to organize numerical practicals.
Fluid Transport Accelerated Solver (FluTAS): modular, multiphysics code for multiphase fluid dynamics simulations. The code is written following a “functional programming” approach and aims to accommodate various independent modules. One of the main purposes of the project is to provide an efficient framework able to run both on many-CPUs (MPI) and many-GPUs (MPI+OpenACC+CUDA-Fortran).
KatzPlotkin: Fortran programs provided by Joseph Katz and Allen Plotkin in their book Low-Speed Aerodynamics
Earth Science
CoulombAnalysis: computes Coulomb stress changes induced by earthquakes, by jjwangw
sailing: sailing simulation based on CFSR wind and ocean current data, from ntu-as-cooklab. The goal is to simulate the sailing route of a sailing ship during different seasons based on a simple model, which may be helpful for studies on human migration across the ocean.
Semi-implicit Cross-scale Hydroscience Integrated System Model (SCHISM): community-supported modeling system based on unstructured grids and designed for the seamless simulation of 3D baroclinic circulation across creek-lake-river-estuary-shelf-ocean scales.
Tomofast-x v.1.2: parallel inversion platform to run single domain or joint inversion (gravity and magnetic data), by V. Ogarko and M. Jessell. It can use local weighting of gradient regularization function, global and local petrophysical constraints (Gaussian mixture model and multiple disjoint bound constraints).
Tracmass: Lagrangian trajectory code for ocean and atmospheric general circulation models, by Aitor Aldama and Kristofer Döös. The code makes it possible to estimate water paths, Lagrangian stream functions (barotropic, overturning, etc.), exchange times, etc.
Universal Boltzmann Equation Solver (UBER): solves the general form of Fokker-Planck equation and Boltzmann equation, diffusive or non-diffusive, that appear in modeling planetary radiation belts, by Liheng Zheng
File I/O
json-fortran-benchmarks: benchmarks for JSON Fortran parsers, by jacobwilliams. Also comparison to Python. Discussed here
fortran-yaml-cpp: YAML parser for Fortran matching the YAML 1.2 spec, by Nick Wogan. This package uses the C++ package yaml-cpp to parse yaml documents and then stores the data in Fortran derived types created by fortran-yaml.
Fortran Books and Tutorials
Intro-to-Fortran: materials for an online course by Chris Cooling
General Purpose
errorfx: simple library for demonstrating exception like error handling strategy in Fortran, by Bálint Aradi. It provides an error handling mechanism which is robust, convenient, and PURE.
FortranPatterns: Implementation of popular design patterns in Fortran, by Farhan J. Khan and zmiimz. This is intended to facilitate the community using Fortran for computationally expensive tasks. The main philosophy here is to make these patterns available for improving the reusability and efficiency of the code.
ftime: basic timing routines in Fortran 2003, by William C. Dawn
LinkedList: doubly linked list for Fortran 2003, by Tomohiro Degawa. The list is based on object-oriented programming, so the list can treat all types Fortran supports, including integer, real, character and derived types by using the unlimited polymorphism feature.
Graphics, Plotting, and User Interfaces
accis: plotting and graphics library by Ian Hutchinson. Related project: PLOTTRACES
fortran-motif: collection of ISO C binding interfaces to X/Motif, to create graphical user interfaces for Unix in Fortran 2008, by interkosmos. The library includes selected bindings to Xlib, Xt, Xm, and the XmHTML widget to render HTML 3.2 inside a Motif widget (optional).
fortran-xlib: collection of ISO C binding interfaces to Xlib for Fortran 2003, by interkosmos. Currently, only a subset of Xlib is implemented. In order to work with XPM files, interfaces to libxpm are included.
Interoperability
Fortran-Lua-hook library (flook): allows abstraction of input files to be pure Lua files to enable configuration of internal variables through an embedded Lua interpreter. Any valid Lua script can be executed from within any fortran application at points where the application creates Lua channels. Its main usage is the ability to change run-time variables at run-time in order to optimize, or even change, the execution path of the parent program.
Linear Algebra
JACSD: utilities for the Jacobi-type (G/H)SVD algorithms and beyond, plus a Cosine-Sine Decomposition tester, by Vedran Novaković. Associated projects here
Materials Science
hyplas: finite element program for implicit small and large strain analysis of hyperelastic and elasto-plastic two-dimensional and axisymmetric solids, from the book Computational Methods for Plasticity: Theory and Applications
Molecular Dynamics
Packmol: creates an initial point for molecular dynamics simulations by packing molecules in defined regions of space, from Martinez Molecular Modeling Group. The packing guarantees that short range repulsive interactions do not disrupt the simulations.
Numerical
compare: module to aid in comparison of real or complex numbers, by Tom Canich and Magnus Hagdorn. The module specifies a tolerance when making the comparisons to determine equality or inequality.
Library of Numerical Analysis - Moscow State University: Translation of subroutines into modern Fortran (Fortran90 or higher) from Fortran 66.
Mittag Leffler function and its derivative: translated from the Matlab code of Robert Garrappa
NR_util: Fortran 2003 library by Lionel Guez containing basic mathematical constants and basic procedures for numerical tasks. NR_util originates from the “utility routines” of Numerical Recipes in Fortran 90 (Press et al., 1996, Cambridge University Press, appendix C1), version 2.10a, contained in files nrtype.f90 and nrutil.f90. These files of Numerical Recipes were put in the public domain by Press et al.
Numeric Library for Modern Fortran: scope: Integer (handling integer constants, digits, convert to string with format); Real (handling real constants, convert to string with format); Non-number (handling quiet nan and positive/negative inf as constants, check whether an array of floating-point numbers has at least one quiet nan, positive/negative inf value), by Tomohiro Degawa
SLATEC: comprehensive software library containing over 1400 general purpose mathematical and statistical routines, translated to modern Fortran by Mehdi Chinoune
Parallel Programming
code_examples: collection of examples showing peculiarities when working with Fortran, OpenACC, PGI, or any other software extensively used at MeteoSwiss
Hybrid CPU programming with OpenMP and MPI: exercise material and model answers for the CSC course, by Jussi Enkovaara and Martti Louhivuori
MPI-course: material for the course An introduction to parallel programming using Message Passing with MPI
Physics
Acceleration by Laser and Dynamics of charged particles (ALaDyn): particle-in-cell code firstly described in ALaDyn: A High-Accuracy PIC code for the Maxwell-Vlasov Equations by C. Benedetti et al., published on IEEE Transactions on Plasma Science, 36 4, 1790-1798 (2008) and then again in the update Charge preserving high order PIC schemes by P. Londrillo et al., published on Nucl. Instrum. Meth. A, 620 1, 28-35 (2010).
Angular Momentum model Of Relativistic Electron beam transport (AMoRE): code parallelized using OpenMP for fast simulations of laser-generated relativistic electron beam transport in solid or dense plasma targets, by Michaël J. Touati. It computes the two first angular moments of the relativistic Vlasov-Fokker-Planck-Belaiev-Budker kinetic equation completed with the Minerbo maximum angular entropy closure and coupled with target Magneto-Hydrodynamic equations considering time scales during which the return current has already set up.
fresco: scattering code for coupled-channels calculations, by I-Thompson. Frescox is an updated version.
libdlr: Fortran subroutines to build and work with the discrete Lehmann representation for single particle imaginary time Green’s functions, as well as the stand-alone Python module pydlr implementing the same functionality, by Jason Kaye and Hugo U.R. Strand
Linear Electromagnetic Oscillations in Plasmas with Arbitrary Rotationally-symmetric Distributions (LEOPARD): dispersion relation solver which can derive the frequencies and growth rates of electromagnetic waves with arbitrary propagation angle in homogeneous plasmas with an arbitrary number of particle species, by Patrick Astfalk. LEOPARD allows the computation of the (fully-kinetic) dielectric tensor components for both bi-Maxwellian or arbitrary gyrotropic velocity distributions. The implemented expressions for the dielectric tensor components are based on ‘Kinetic Theory of Plasma Waves’ by M. Brambilla (1998).
Quasilinear Electromagnetic Oscillations (QLEO): code based on the quasilinear kinetic equation which self-consistently describes how a given velocity distribution function of a homogeneous gyrotropic plasma evolves in time in the presence of an unstable spectrum of parallel propagating, electromagnetic linear eigenmodes, by Patrick Astfalk. The implemented formalism is based on the quasilinear kinetic equations given in, e.g., ‘Methods in Nonlinear Plasma Theory’ by R. C. Davidson (1972).
Quantum Chemistry and Electronic Structure
Abinitio DGA: implementation of a DGA approach for electronic structure calculations of materials, by Matthias Pickem. It allows the inclusion of non-local correlations beyond DMFT and the calculation of momentum-dependent susceptibilities.
bands4vasp: post processing package for the analysis of unfolded eigenstates in VASP, and much more: band structures, 2D and 3D Fermi surfaces, Fermi vectors and spectral functions, by David Dirnberger and Michele Reticcioli
ELectronic Structure Infrastructure (elsi): provides and enhances scalable, open-source software library solutions for electronic structure calculations in materials science, condensed matter physics, chemistry, and many other fields. ELSI focuses on methods that solve or circumvent eigenvalue problems in electronic structure theory. The ELSI infrastructure should also be useful for other challenging eigenvalue problems.
exciting: all-electron full-potential computer package for first-principles calculations, based on (linearized) augmented planewave + local orbital [(L)APW+lo] methods, by Stephan Sagmeister. This family of basis sets is known as the most precise numerical scheme to solve the Kohn-Sham equations of density-functional theory (DFT), reaching up to micro-Hartree precision.
NECI: implements the Full Configuration Interaction Quantum Monte Carlo (FCIQMC) algorithm, a method based on a stochastic application of the Hamiltonian matrix on a sparse sampling of the wave function. The program utilizes a very powerful parallelization and scales efficiently to more than 24 000 central processing unit cores.
omm-bundle: library implementing the orbital minimization method for solving the Kohn-Sham equation as a generalized eigenvalue problem, by Fabiano Corsetti et al.
soap_turbo: code associated with paper Miguel A. Caro. “Optimizing many-body atomic descriptors for enhanced computational performance of machine learning based interatomic potentials”. Phys. Rev. B 100, 024112 (2019).
Strings
Fortran-String-to-Real: converts strings to reals without using an internal read, by Carltoffel