Fortran Fortran

Open-source Fortran projects categorized as Fortran
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Top 23 Fortran Fortran Projects

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  1. WRF

    The official repository for the Weather Research and Forecasting (WRF) model

  2. AppSignal

    Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.

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  3. stdlib

    Fortran Standard Library (by fortran-lang)

  4. fpm

    Fortran Package Manager (fpm) (by fortran-lang)

    Project mention: Package Management Is a Wicked Problem | news.ycombinator.com | 2026-01-28

  5. neural-fortran

    A parallel framework for deep learning

  6. E3SM

    Energy Exascale Earth System Model source code. NOTE: use "maint" branches for your work. Head of master is not validated.

  7. Cmathtuts

    trying to collect all useful tutorials for famous C math and linear algebra libraries such as CBLAS, CLAPACK, GSL...

  8. functional-fortran

    Functional programming for modern Fortran

  9. SaaSHub

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  10. fortran2018-examples

    Fortran 2018 standard examples with broad applications

  11. json-fortran

    A Modern Fortran JSON API

  12. paramonte

    ParaMonte: Parallel Monte Carlo and Machine Learning Library for Python, MATLAB, Fortran, C++, C.

  13. gtk-fortran

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

  14. OpenCoarrays

    A parallel application binary interface for Fortran 2018 compilers.

  15. neko

    /ᐠ. ｡.ᐟ\ᵐᵉᵒʷˎˊ˗ (by ExtremeFLOW)

  16. MOM6

    Modular Ocean Model

  17. pyplot-fortran

    For generating plots from Fortran using Python's matplotlib.pyplot 📈

  18. Fortran-Astrodynamics-Toolkit

    A Modern Fortran Library for Astrodynamics 🚀

  19. fastGPT

    Fast GPT-2 inference written in Fortran (by certik)

  20. FLAP

    Fortran command Line Arguments Parser for poor people

  21. Full-Stack-Fortran

    Fortran to WebAssembly

  22. ftl

    The Fortran Template Library (by SCM-NV)

  23. Fortran

    All Algorithms implemented in Fortran. Making Fortran Great Again!

  24. hipfort

    Fortran interfaces for ROCm libraries

    Project mention: CUDA-oxide: Nvidia's official Rust to CUDA compiler | news.ycombinator.com | 2026-05-11

  25. FortranTip

    Short instructional Fortran codes associated with Twitter @FortranTip

  26. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source Fortran projects in Fortran? This list will help you:

# Project Stars
1 WRF 1,775
2 stdlib 1,353
3 fpm 1,076
4 neural-fortran 475
5 E3SM 444
6 Cmathtuts 442
7 functional-fortran 437
8 fortran2018-examples 419
9 json-fortran 383
10 paramonte 307
11 gtk-fortran 289
12 OpenCoarrays 270
13 neko 245
14 MOM6 224
15 pyplot-fortran 224
16 Fortran-Astrodynamics-Toolkit 212
17 fastGPT 199
18 FLAP 175
19 Full-Stack-Fortran 156
20 ftl 118
21 Fortran 103
22 hipfort 96
23 FortranTip 80

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Did you know that Fortran is
the 86th most popular programming language
based on number of references?

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