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#fortran (30 Repositories)

Ranked open-source repositories tagged with #fortran, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

64.4%

Avg Review Latency

30.2h

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30 repositories tagged #fortran

A TierPython 533

scikit-build/scikit-build

Improved build system generator for CPython C, C++, Cython and Fortran extensions

91.3%
Merge Rate
13d
First Review
75%
1st-Timers
2
Maintainers
A TierRust 211 3 GFIs

PlasmaFAIR/fortitude

A Fortran linter, written in Rust and installable with Python.

88.1%
Merge Rate
-
First Review
83%
1st-Timers
12
Maintainers
A TierC++ 197 1 GFIs

llnl/axom

CS infrastructure components for HPC applications

71.3%
Merge Rate
14h
First Review
60%
1st-Timers
19
Maintainers
A TierFOFortran 432 44 GFIs

MFlowCode/MFC

Exascale multiphase flow solver — 2025 Gordon Bell Prize Finalist | 200T grid points on 43K+ GPUs

54.8%
Merge Rate
2h
First Review
33%
1st-Timers
14
Maintainers
A TierPython 137

stfc/PSyclone

PSyclone is a source-to-source Fortran compiler designed to programmatically optimise, parallelise and instrument HPC applications via user-provided transformation scripts.

56.8%
Merge Rate
1h
First Review
57%
1st-Timers
13
Maintainers
A TierC++ 1.3k

lfortran/lfortran

Official main repository for LFortran

59.8%
Merge Rate
-
First Review
58%
1st-Timers
38
Maintainers
A TierFOFortran 245 1 GFIs

ExtremeFLOW/neko

/ᐠ. 。.ᐟ\ᵐᵉᵒʷˎˊ˗

38.5%
Merge Rate
11h
First Review
33%
1st-Timers
8
Maintainers
A TierC 2.7k

open-mpi/ompi

Open MPI main development repository

58.2%
Merge Rate
3h
First Review
50%
1st-Timers
35
Maintainers
A TierC 1.8k 10 GFIs

Zaneham/Booth

Open-source CUDA, Triton and HIP compiler targeting multiple GPU and CPU architectures.

94.7%
Merge Rate
1d
First Review
100%
1st-Timers
0
Maintainers
A TierC 684

pmodels/mpich

Official MPICH Repository

43.3%
Merge Rate
1h
First Review
17%
1st-Timers
26
Maintainers
A TierC++ 247

llnl/conduit

Simplified Data Exchange for HPC Simulations

85.0%
Merge Rate
-
First Review
50%
1st-Timers
6
Maintainers
B TierFOFortran 176

ralna/GALAHAD

A library of modern Fortran modules for nonlinear optimization

66.7%
Merge Rate
<1h
First Review
100%
1st-Timers
4
Maintainers
A TierC++ 448

IBAMR/IBAMR

An adaptive and distributed-memory parallel implementation of the immersed boundary (IB) method

23.8%
Merge Rate
-
First Review
33%
1st-Timers
8
Maintainers
A TierC 994

HDFGroup/hdf5

Official HDF5® Library Repository

37.5%
Merge Rate
3h
First Review
55%
1st-Timers
26
Maintainers
B TierFOFortran 248

NCAR/wrf_hydro_nwm_public

WRF-Hydro model code

100.0%
Merge Rate
-
First Review
100%
1st-Timers
3
Maintainers
B TierFOFortran 122

NOAA-GFDL/FMS

GFDL's Flexible Modeling System

50.0%
Merge Rate
15h
First Review
67%
1st-Timers
7
Maintainers
A TierFOFortran 253

MESAHub/mesa

Modules for Experiments in Stellar Astrophysics

38.1%
Merge Rate
6h
First Review
50%
1st-Timers
8
Maintainers
A TierPython 228

capytaine/capytaine

Python BEM solver for linear potential flow, based on Nemoh.

80.0%
Merge Rate
3d
First Review
100%
1st-Timers
2
Maintainers
B TierFOFortran 207

Goddard-Fortran-Ecosystem/pFUnit

Parallel Fortran Unit Testing Framework

57.1%
Merge Rate
<1h
First Review
50%
1st-Timers
2
Maintainers
B TierFOFortran 279

CaNS-World/CaNS

A code for fast, massively-parallel direct numerical simulations (DNS) of canonical flows

100.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
B TierFOFortran 206 2 GFIs

Cambridge-ICCS/FTorch

A library for directly calling PyTorch ML models from Fortran.

12.5%
Merge Rate
<1h
First Review
0%
1st-Timers
2
Maintainers
B TierShell 121

fortran-lang/setup-fortran

Set up Fortran compiler toolchains on GitHub Actions runners

61.5%
Merge Rate
-
First Review
50%
1st-Timers
3
Maintainers
B TierC++ 120

bfgroup/b2

B2 makes it easy to build C++ projects, everywhere.

47.6%
Merge Rate
15h
First Review
50%
1st-Timers
1
Maintainers
B TierC++ 160

hpddm/hpddm

A framework for high-performance domain decomposition methods.

100.0%
Merge Rate
17h
First Review
0%
1st-Timers
2
Maintainers
B TierFOFortran 121

geospace-code/h5fortran

Lightweight HDF5 polymorphic Fortran: h5write() h5read()

100.0%
Merge Rate
10d
First Review
0%
1st-Timers
0
Maintainers
B TierFOFortran 1.1k

fortran-lang/fpm

Fortran Package Manager (fpm)

25.0%
Merge Rate
22h
First Review
0%
1st-Timers
7
Maintainers
B TierFOFortran 384

jacobwilliams/json-fortran

A Modern Fortran JSON API

100.0%
Merge Rate
4h
First Review
0%
1st-Timers
0
Maintainers
B TierFOFortran 289

vmagnin/gtk-fortran

A GTK / Fortran binding, and its documentation (in the Wiki tab).

100.0%
Merge Rate
21h
First Review
0%
1st-Timers
0
Maintainers
C TierC++ 1.2k

oneapi-src/oneAPI-samples

Samples for Intel® oneAPI Toolkits

44.4%
Merge Rate
4d
First Review
33%
1st-Timers
0
Maintainers
C TierPython 144

szaghi/FoBiS

FoBiS.py, Fortran projects Building System

45.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
Best Fortran Open Source Repositories & C-Rank™ | GetMerged