Reference-LAPACK/lapack
LAPACK development repository
★ 1.9K
⑂ 520
Fortran
Fortran
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wrf-model/WRF
The official repository for the Weather Research and Forecasting (WRF) model
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⑂ 898
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ElmerCSC/elmerfem
Official git repository of Elmer FEM software
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Fortran
fortran-lang/stdlib
Fortran Standard Library
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cp2k/cp2k
Quantum chemistry and solid state physics software package
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⑂ 521
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fortran-lang/fpm
Fortran Package Manager (fpm)
★ 1.1K
⑂ 148
Fortran
OpenFAST/openfast
Main repository for the NLR-supported OpenFAST whole-turbine and FAST.Farm wind farm simulation cod…
★ 990
⑂ 550
Fortran
firemodels/fds
Fire Dynamics Simulator
★ 911
⑂ 698
Fortran
grimme-lab/xtb
Semiempirical Extended Tight-Binding Program Package
★ 883
⑂ 219
Fortran
pymc-devs/pymc2
THIS IS THE **OLD** PYMC PROJECT (VERSION 2). PLEASE USE PYMC INSTEAD:
★ 876
⑂ 224
Fortran
OpenRadioss/OpenRadioss
OpenRadioss is a powerful, industry-proven finite element solver for dynamic event analysis
★ 863
⑂ 386
Fortran
mapmeld/fortran-machine
Finally a Fortran MVC web platform
★ 811
⑂ 44
Fortran
QEF/q-e
Mirror of the Quantum ESPRESSO repository. Please do not post Issues or pull requests here. Use git…
★ 705
⑂ 331
Fortran
fommil/netlib-java
:rocket: High Performance Linear Algebra (low level)
★ 666
⑂ 127
Fortran
nwchemgit/nwchem
NWChem: Open Source High-Performance Computational Chemistry
★ 627
⑂ 195
Fortran
★ 604
⑂ 254
Fortran
SPECFEM/specfem3d
SPECFEM3D Cartesian simulates acoustic (fluid), elastic (solid), coupled acoustic/elastic, or poroe…
★ 522
⑂ 261
Fortran
Nek5000/Nek5000
our classic
★ 493
⑂ 267
Fortran
modern-fortran/neural-fortran
A parallel framework for deep learning
★ 479
⑂ 110
Fortran
E3SM-Project/E3SM
Energy Exascale Earth System Model source code. NOTE: use "maint" branches for your work. Head o…
★ 449
⑂ 486
Fortran
Foadsf/Cmathtuts
trying to collect all useful tutorials for famous C math and linear algebra libraries such as CBLAS…
★ 443
⑂ 47
Fortran
dftbplus/dftbplus
DFTB+ general package for performing fast atomistic simulations
★ 441
⑂ 192
Fortran
MFlowCode/MFC
Exascale multiphase flow solver — 2025 Gordon Bell Prize Finalist | 200T grid points on 43K+ GPUs
★ 440
⑂ 187
Fortran
wavebitscientific/functional-fortran
Functional programming for modern Fortran
★ 439
⑂ 41
Fortran
libprima/prima
PRIMA is a package for solving general nonlinear optimization problems without using derivatives. I…
★ 421
⑂ 54
Fortran
scivision/fortran2018-examples
Fortran 2018 standard examples with broad applications
★ 420
⑂ 72
Fortran
MITgcm/MITgcm
M.I.T General Circulation Model master code and documentation repository
★ 410
⑂ 298
Fortran
JuliaPackaging/Yggdrasil
Collection of builder repositories for BinaryBuilder.jl
★ 408
⑂ 791
Fortran
libAtoms/QUIP
libAtoms/QUIP molecular dynamics framework: https://libatoms.github.io
★ 404
⑂ 130
Fortran
MODFLOW-ORG/modflow6
USGS Modular Hydrologic Model
★ 389
⑂ 170
Fortran
FluidityProject/fluidity
Fluidity
★ 388
⑂ 120
Fortran
m3g/packmol
Packmol - Initial configurations for molecular dynamics simulations
★ 384
⑂ 66
Fortran
jacobwilliams/json-fortran
A Modern Fortran JSON API
★ 384
⑂ 100
Fortran
rouyang2017/SISSO
A data-driven method combining symbolic regression and compressed sensing for accurate & interpreta…
★ 376
⑂ 95
Fortran
USEPA/CMAQ
Code for U.S. EPA’s Community Multiscale Air Quality Model (CMAQ) for estimating ozone, particulate…
★ 372
⑂ 236
Fortran
crest-lab/crest
CREST - A program for the automated exploration of low-energy molecular chemical space.
★ 368
⑂ 78
Fortran
ucns3d-team/UCNS3D
Unstructured Compressible Navier Stokes 3D code (UCNS3D)
★ 366
⑂ 109
Fortran
NOAA-EMC/WW3
WAVEWATCH III
★ 360
⑂ 680
Fortran
opencollab/arpack-ng
Collection of Fortran77 subroutines designed to solve large scale eigenvalue problems.
★ 358
⑂ 137
Fortran
ESCOMP/CTSM
Community Terrestrial Systems Model (includes the Community Land Model of CESM)
★ 352
⑂ 366
Fortran
★ 350
⑂ 197
Fortran
Allen-Tildesley/examples
Fortran and Python examples to accompany the book "Computer Simulation of Liquids" by Michael P. Al…
★ 347
⑂ 107
Fortran
wannier-developers/wannier90
Wannier90: Maximally-localised Wannier functions for electronic-structure calculations (standalone …
★ 346
⑂ 179
Fortran
quanshengwu/wannier_tools
WannierTools: An open-source software package for novel topological materials. Full documentation:
★ 343
⑂ 159
Fortran
mdolab/adflow
ADflow is a finite volume RANS solver tailored for gradient-based aerodynamic design optimization.
★ 338
⑂ 127
Fortran
TarletonGroup/CrystalPlasticity
CP UMAT and CZM UEL for Abaqus
★ 330
⑂ 105
Fortran
MPAS-Dev/MPAS-Model
Repository for MPAS models and shared framework releases.
★ 323
⑂ 439
Fortran
astrofrog/fortranlib
Collection of personal scientific routines in Fortran :book:
★ 322
⑂ 74
Fortran
cdslaborg/paramonte
ParaMonte: Parallel Monte Carlo and Machine Learning Library for Python, MATLAB, Fortran, C++, C.
★ 307
⑂ 36
Fortran
ct6502/wavelets
Torrence & Compo Wavelet Analysis Software
★ 305
⑂ 170
Fortran
flexi-framework/flexi
FLEXI: A high order discontinuous Galerkin framework for hyperbolic–parabolic conservation laws
★ 299
⑂ 77
Fortran
vmagnin/gtk-fortran
A GTK / Fortran binding, and its documentation (in the Wiki tab).
★ 289
⑂ 46
Fortran
CaNS-World/CaNS
A code for fast, massively-parallel direct numerical simulations (DNS) of canonical flows
★ 279
⑂ 96
Fortran
Unidata/netcdf-fortran
Official GitHub repository for netCDF-Fortran libraries, which depend on the netCDF C library. Ins…
★ 271
⑂ 108
Fortran
spacepy/spacepy
Space Science library for Python - contains superposed epoch classes, drift shell tracing, access t…
★ 271
⑂ 80
Fortran
abinit/abinit
The official github mirror of the Abinit repository. We welcome bug fixes and improvements. Note th…
★ 270
⑂ 112
Fortran
sourceryinstitute/OpenCoarrays
A parallel application binary interface for Fortran 2018 compilers.
★ 270
⑂ 58
Fortran
NCAR/DART
Data Assimilation Research Testbed
★ 266
⑂ 185
Fortran
wrf-model/WPS
The official repository for the WRF Preprocessing System (WPS)
★ 266
⑂ 202
Fortran
MESAHub/mesa
Modules for Experiments in Stellar Astrophysics
★ 263
⑂ 85
Fortran
cmbant/CAMB
Code for Anisotropies in the Microwave Background
★ 263
⑂ 198
Fortran
epochpic/epoch
Particle-in-cell code for plasma physics simulations
★ 262
⑂ 84
Fortran
pierrehirel/atomsk
Atomsk: A Tool For Manipulating And Converting Atomic Data Files -
★ 258
⑂ 82
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flame/libflame
High-performance object-based library for DLA computations
★ 255
⑂ 95
Fortran
sundmanbo/opencalphad
Open Calphad, thermodynamic calculation code
★ 251
⑂ 87
Fortran
NCAR/wrf_hydro_nwm_public
WRF-Hydro model code
★ 249
⑂ 157
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ExtremeFLOW/neko
/ᐠ. ｡.ᐟ\ᵐᵉᵒʷˎˊ˗
★ 247
⑂ 58
Fortran
ROCm/aomp
AOMP is an open source Clang/LLVM based compiler with added support for the OpenMP® API on Radeon™ …
★ 246
⑂ 66
Fortran
pencil-code/pencil-code
A high-order finite-difference code for compressible hydrodynamic flows with magnetic fields and pa…
★ 244
⑂ 111
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jgomezc1/ABAQUS-US
A variety of ABAQUS user element (UELs) and user material (UMATs) subroutines
★ 244
⑂ 97
Fortran
geoschem/geos-chem
GEOS-Chem "Science Codebase" repository. Contains GEOS-Chem science routines, run directory genera…
★ 242
⑂ 201
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ylikx/forpy
Forpy - use Python from Fortran
★ 242
⑂ 50
Fortran
DSSAT/dssat-csm-os
DSSAT Cropping System Model
★ 239
⑂ 220
Fortran
ammarkh95/ABAQUS_PDALAC
Development of the Failure Criteria for Composites using ABAQUS Subroutines (UMAT/VUMAT)
★ 232
⑂ 67
Fortran
dftd4/dftd4
Generally Applicable Atomic-Charge Dependent London Dispersion Correction
★ 232
⑂ 65
Fortran
nasa/cea
CEA computes the equilibrium composition of mixtures via free-energy minimization, and uses the res…
★ 230
⑂ 47
Fortran
certik/fortran-utils
Various utilities for Fortran programs
★ 228
⑂ 71
Fortran
Dhondtguido/CalculiX
This repository contains the source files of CalculiX, a three-dimensional Finite Element Program (…
★ 226
⑂ 72
Fortran
tblite/tblite
Light-weight tight-binding framework
★ 226
⑂ 74
Fortran
jacobwilliams/pyplot-fortran
For generating plots from Fortran using Python's matplotlib.pyplot 📈
★ 225
⑂ 56
Fortran
mom-ocean/MOM6
Modular Ocean Model
★ 224
⑂ 291
Fortran
davidrpugh/pyeconomics
Computational economics in Python
★ 224
⑂ 82
Fortran
xzhang66/MPM3D-F90
MPM3D-F90: An open source code for three dimensional material point method.
★ 222
⑂ 68
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xcompact3d/Incompact3d
Current CPU version of our solver for the Navier-Stokes equations
★ 218
⑂ 148
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Starlink/starlink
Starlink Software Collection
★ 215
⑂ 72
Fortran
davidmorinNTNU/ABAQUS_subroutines
A repository of ABAQUS FORTRAN subroutines
★ 214
⑂ 54
Fortran
jacobwilliams/Fortran-Astrodynamics-Toolkit
A Modern Fortran Library for Astrodynamics 🚀
★ 214
⑂ 60
Fortran
SciFortran/SciFortran
An open-source Fortran library for mathematics, science and engineering (*in a way* just like scipy…
★ 211
⑂ 40
Fortran
esmf-org/esmf
The Earth System Modeling Framework (ESMF) is a suite of software tools for developing high-perform…
★ 210
⑂ 91
Fortran
Cambridge-ICCS/FTorch
A library for directly calling PyTorch ML models from Fortran.
★ 209
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Fortran
Goddard-Fortran-Ecosystem/pFUnit
Parallel Fortran Unit Testing Framework
★ 207
⑂ 63
Fortran
brli3/CFD
Basic Computational Fluid Dynamics (CFD) schemes implemented in FORTRAN using Finite-Volume and Fin…
★ 201
⑂ 73
Fortran
certik/fastGPT
Fast GPT-2 inference written in Fortran
★ 200
⑂ 23
Fortran
ufs-community/ufs-weather-model
UFS Weather Model
★ 198
⑂ 288
Fortran
camaramm/tennessee-eastman-profBraatz
The Fortran 77 codes for the open-loop and the closed-loop simulations for the Tennessee Eastman p…
★ 192
⑂ 71
Fortran
jacobwilliams/bspline-fortran
Multidimensional B-Spline Interpolation of Data on a Regular Grid
★ 189
⑂ 63
Fortran
CliMT/climt
The official home of climt, a Python based climate modelling toolkit.
★ 188
⑂ 48
Fortran
clawpack/pyclaw
PyClaw is a Python-based interface to the algorithms of Clawpack and SharpClaw. It also contains t…
★ 188
⑂ 109
Fortran
scientific-computing/FKB
A two-way deep learning bridge between Keras and Fortran
★ 188
⑂ 39
Fortran
openmopac/mopac
Molecular Orbital PACkage
★ 186
⑂ 45
Fortran
henniggroup/VASPsol
Solvation model for the plane wave DFT code VASP.
★ 183
⑂ 87
Fortran
ralna/GALAHAD
A library of modern Fortran modules for nonlinear optimization
★ 182
⑂ 17
Fortran
Anura3D/Anura3D_OpenSource
Anura3D open source version to model large deformation and soil-water-structure interaction with th…
★ 180
⑂ 113
Fortran
kookma/ogpf
ogpf is Object based interface to GnuPlot from Fortran 2003, 2008 and later
★ 178
⑂ 48
Fortran
★ 172
⑂ 70
Fortran
Reference-ScaLAPACK/scalapack
ScaLAPACK development repository
★ 170
⑂ 85
Fortran
horses-framework/horses3d
HORSES3D: A high-order discontinuous Galerkin solver for flow simulations and multi-physics applica…
★ 167
⑂ 31
Fortran
OpenSWPC/OpenSWPC
A Seismic Wave Propagation Code by Parallel Finite Difference Method
★ 167
⑂ 64
Fortran
danieljprice/phantom
Phantom Smoothed Particle Hydrodynamics and Magnetohydrodynamics code
★ 167
⑂ 355
Fortran
TinkerTools/tinker
Tinker: Software Tools for Molecular Design
★ 164
⑂ 82
Fortran
DOI-USGS/COAWST
COAWST modeling system git repository
★ 163
⑂ 75
Fortran
ExeClim/Isca
Idealized GCM from the University of Exeter
★ 161
⑂ 151
Fortran
cp2k/dbcsr
DBCSR: Distributed Block Compressed Sparse Row matrix library
★ 158
⑂ 61
Fortran
myroms/roms
Regional Ocean Modeling System (ROMS)
★ 146
⑂ 57
Fortran
ralna/spral
Sparse Parallel Robust Algorithms Library
★ 144
⑂ 30
Fortran
yzhang951/CPFEM-VUMAT
Crystal plasticity finite element code, VUMAT file for Abaqus
★ 141
⑂ 42
Fortran
yambo-code/yambo
This is the official GPL repository of the yambo code
★ 137
⑂ 60
Fortran
njoy/NJOY2016
Nuclear data processing with legacy NJOY
★ 137
⑂ 105
Fortran
NASA-LIS/LISF
Land Information System Framework
★ 135
⑂ 179
Fortran
OrderN/CONQUEST-release
Full public release of large scale and linear scaling DFT code CONQUEST
★ 129
⑂ 34
Fortran
NGEET/fates
repository for the Functionally Assembled Terrestrial Ecosystem Simulator (FATES)
★ 129
⑂ 109
Fortran
PrincetonUniversity/STELLOPT
This is the GitHub repository for STELLOPT, the state-of-the-art stellarator optimization code.
★ 127
⑂ 44
Fortran
toml-f/toml-f
TOML parser implementation for data serialization and deserialization in Fortran
★ 127
⑂ 36
Fortran
★ 123
⑂ 51
Fortran
geospace-code/h5fortran
Lightweight HDF5 polymorphic Fortran: h5write() h5read()
★ 121
⑂ 27
Fortran
NOAA-GFDL/FMS
GFDL's Flexible Modeling System
★ 121
⑂ 164
Fortran
FrontISTR/FrontISTR
This is the official github mirror repository of FrontISTR, Open-Source Large-Scale Parallel FEM P…
★ 120
⑂ 44
Fortran
fortran-lang/test-drive
The simple testing framework
★ 120
⑂ 38
Fortran
global-hydrodynamics/CaMa-Flood_v4
CaMa-Flood_v4 development master
★ 118
⑂ 57
Fortran
SPECFEM/specfem3d_globe
SPECFEM3D Globe simulates global and regional (continental-scale) seismic wave propagation for Eart…
★ 117
⑂ 100
Fortran
NCAR/noahmp
Noah-MP Community Repository
★ 112
⑂ 132
Fortran
desjardi/NGA2
High‑performance multiphysics CFD framework for turbulent reacting multiphase flows from low to hig…
★ 110
⑂ 91
Fortran
amrvac/amrvac
MPI-AMRVAC: A Parallel Adaptive Mesh Refinement Framework
★ 108
⑂ 58
Fortran
softwaresaved/build_and_test_examples
Examples of build scripts and unit test frameworks for various languages, and how these can be used…
★ 107
⑂ 168
Fortran
★ 106
⑂ 57
Fortran
TheAlgorithms/Fortran
All Algorithms implemented in Fortran. Making Fortran Great Again!
★ 105
⑂ 32
Fortran
UppASD/UppASD
The UppASD package is a simulation tool for atomistic spin dynamics and Monte Carlo simulations of …
★ 103
⑂ 49
Fortran
trixi-framework/HOHQMesh
High Order Hex-Quad Mesh (HOHQMesh) package to automatically generate all-quadrilateral meshes with…
★ 102
⑂ 18
Fortran
NCAR/bspline
Cubic B-Spline implementation in C++ templates
★ 102
⑂ 23
Fortran
ROCm/hipfort
Fortran interfaces for ROCm libraries
★ 97
⑂ 48
Fortran
fabm-model/fabm
The Framework for Aquatic Biogeochemical Models (FABM): a Fortran 2003 programming framework for bi…
★ 95
⑂ 53
Fortran
clawpack/geoclaw
Version of Clawpack for geophysical waves and flows
★ 94
⑂ 99
Fortran
FluidNumerics/SELF
Spectral Element Library in Fortran
★ 93
⑂ 14
Fortran
EDmodel/ED2
Ecosystem Demography Model
★ 92
⑂ 121
Fortran
earth-system-radiation/rte-rrtmgp
RTE+RRTMGP is a set of codes for computing radiative fluxes in planetary atmospheres.
★ 91
⑂ 90
Fortran
CH-Earth/summa
Structure for Unifying Multiple Modeling Alternatives:
★ 91
⑂ 121
Fortran
mom-ocean/MOM5
The Modular Ocean Model
★ 90
⑂ 102
Fortran
EMsoft-org/EMsoft
Public EMsoft repository
★ 88
⑂ 116
Fortran
swat-model/swatplus
Soil and Water Assessment Tool +
★ 87
⑂ 148
Fortran
NOAA-GFDL/GFDL_atmos_cubed_sphere
The GFDL atmos_cubed_sphere dynamical core code
★ 83
⑂ 151
Fortran
CoLM-SYSU/CoLM
The Common Land Model
★ 81
⑂ 150
Fortran
CICE-Consortium/CICE
Development repository for the CICE sea-ice model
★ 79
⑂ 161
Fortran
NCAR/ccpp-physics
Collection of physics parameterizations compliant with the Common Community Physics Package (CCPP) …
★ 79
⑂ 174
Fortran
COSMIC-PopSynth/COSMIC
COSMIC (Compact Object Synthesis and Monte Carlo Investigation Code)
★ 64
⑂ 91
Fortran
★ 61
⑂ 89
Fortran
urbanjost/general-purpose-fortran
General Purpose Fortran Cooperative
★ 50
⑂ 5
Fortran
FormerLab/fortransky
A terminal-only Bluesky / AT Proto client written in Fortran, with an asm/Rust native firehose deco…
★ 48
⑂ 0
Fortran
★ 45
⑂ 183
Fortran
★ 43
⑂ 131
Fortran
CICE-Consortium/Icepack
Development repository for sea-ice column physics
★ 38
⑂ 165
Fortran
albower/EN234_FEA
FEA project for EN2340 Computational Methods in Structural and Solid Mechanics, Brown University
★ 37
⑂ 123
Fortran
ESCOMP/CMEPS
NUOPC Community Mediator for Earth Prediction Systems
★ 36
⑂ 108
Fortran
nedtaylor/diffstruc
Fortran library providing automatic differentiation
★ 32
⑂ 1
Fortran
sourceryinstitute/MORFEUS-Source
Multi-physics Object-oriented Reconfigurable Fluid Environment for Unified Simulations
★ 32
⑂ 5
Fortran
MetOffice/lfric_apps
LFRic Applications
★ 31
⑂ 125
Fortran
ufs-community/UFS_UTILS
Utilities for the NCEP models.
★ 31
⑂ 134
Fortran
Zaneham/SLATEC
A modernisation of the SLATEC library
★ 23
⑂ 1
Fortran
JeffersonLab/simc_gfortran
SIMC - Physics Monte Carlo for Hall C and Hall A
★ 3
⑂ 118
Fortran
AgyleMotion/cell-aggregation-fortran
This subsroutine computes the interaction forces between biological human red blood cells in shear …
★ 0
⑂ 0
Fortran
wtpc/HOdebug-profile
Hands-On de Debugging y Profiling
★ 0
⑂ 99
Fortran