Alternatives to Codewars for all platforms with any license

  • exercism

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

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  • HackerRank

    Engaging social network tasking developers with real world coding challenges and connecting them with great companies.

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  • Project Euler

    Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.

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  • CheckIO

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  • Coderbyte

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  • LeetCode

    Practice and level up your development skills and prepare for technical interviews.

    • I don't know the other platforms, but had some fun with LeetCode in the past. It looks a bit moore 'loose' than codewars. Guest • May 2020 Disagree   Agree

    Freemium Web

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  • Screeps

    Learn to code JavaScript by playing game. This game claims to be the world’s first MMO strategy sandbox game for programmers.

    Commercial $ $ $ Mac Windows Linux Web SteamOS

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