Alternatives to Ruby Warrior for all platforms with Open Source License

  • exercism

    Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.

    Free Open Source Web Terminal

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  • CheckIO

    CheckiO is expanding the world’s code literacy through gameplay. We always wanted to create the most entertaining game where gaming and coding experiences are...

    Free Open Source Web Pycharm WebStorm

    CheckIO icon
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