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Exercism

Hi there 👋

Welcome to the behind-the-scenes home of Exercism!

Our website is powered by hundreds of different repositories, which you're free to browse and explore. Each track has a content repository (e.g. exercism/ruby) and one or more tooling repositories (e.g. exercism/ruby-test-runner, exercism/ruby-analyzer). The website source-code lives at exercism/website.

  • If you're looking to open an issue, the best place for nearly all issues is the exercism/exercism repository. We can then triage it to the right place as appropriate.
  • If you're looking to contribute, our contributing page is a good starting point. Be aware that different repositories have different contributing guidelines - you can always feel free to open an issue to ask how to help if you're unsure 🙂

Everything in Exercism is covered by our Code of Conduct - please take a read and adhere to it in discussions on GitHub.

Finally, please note that different parts of Exercism are licenced under different licences, so please be mindful of the specific licence for any code you use!

Have fun! 🎉

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  1. exercism exercism Public

    Crowd-sourced code mentorship. Practice having thoughtful conversations about code.

    7.6k 1k

  2. cli cli Public

    A Go based command line tool for exercism.org.

    Go 1.4k 368

  3. generic-track generic-track Public

    Shell 27 28

  4. docs docs Public

    Exercism's docs. View them at Exercism's website, not on GitHub.

    49 97

  5. website website Public

    The codebase for Exercism's website.

    Ruby 531 158

  6. problem-specifications problem-specifications Public

    Shared metadata for exercism exercises.

    Ruby 350 560

Repositories

Showing 10 of 428 repositories
  • crystal Public

    Exercism exercises in Crystal.

    exercism/crystal’s past year of commit activity
    Crystal 79 MIT 58 1 6 Updated Apr 20, 2026
  • lean Public

    Exercism exercises in Lean.

    exercism/lean’s past year of commit activity
    Lean 1 MIT 2 8 0 Updated Apr 20, 2026
  • jai Public

    Exercism exercises in Jai.

    exercism/jai’s past year of commit activity
    Jai 0 MIT 1 2 0 Updated Apr 20, 2026
  • php Public

    Exercism exercises in PHP.

    exercism/php’s past year of commit activity
    PHP 167 MIT 147 18 (3 issues need help) 3 Updated Apr 20, 2026
  • objective-c Public

    Exercism exercises in Objective-C.

    exercism/objective-c’s past year of commit activity
    Objective-C 10 MIT 39 11 4 Updated Apr 20, 2026
  • r Public

    Exercism exercises in R.

    exercism/r’s past year of commit activity
    R 29 MIT 45 20 5 Updated Apr 20, 2026
  • java Public

    Exercism exercises in Java.

    exercism/java’s past year of commit activity
    Java 824 MIT 755 17 (1 issue needs help) 12 Updated Apr 19, 2026
  • elixir Public

    Exercism exercises in Elixir.

    exercism/elixir’s past year of commit activity
    Elixir 656 MIT 410 7 4 Updated Apr 19, 2026
  • elm Public

    Exercism exercises in Elm.

    exercism/elm’s past year of commit activity
    Elm 136 MIT 115 12 (1 issue needs help) 0 Updated Apr 19, 2026
  • go Public

    Exercism exercises in Go.

    exercism/go’s past year of commit activity
    Go 1,152 MIT 685 20 6 Updated Apr 19, 2026

Sponsors

  • @Kamila-P
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  • @tomkennedy513
  • @trippshelnutt
  • @embik
  • @mikey-boy
  • @sahil48
  • @darthShadow
  • @gabriel-ss
  • @rcmlz
  • @eberfreitas
  • @axi0m
  • @jooaf

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