Alternatives to Codechef for all platforms with any license

Platforms

Show 5 less popular platforms
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    hackerrank.com

    A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.

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    Coderbyte

    Coderbyte is a place built for anyone to practice and perfect their programming skills. Challenges are added almost every day so you can work on applying your...

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    Codewars

    Achieve code mastery through challenge. Improve your skills by training with others on real code challenges Kata In our dojo, kata are real code challenges...

    Free Self-Hosted

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    Spoj

    Sphere Online Judge created for the coders' community to train, to learn and to make progress. With thousands of programming problems and an international group of...

    Free Web Self-Hosted

  • Topcoder icon

    Topcoder

    Topcoder provides members opportunities to demonstrate their expertise, improve their skills, and win cash, while helping real world organizations solve real world...

    Free Web

  • Geektastic icon

    Geektastic

    Unique peer-reviewed code challenges for deep insight into candidate's technical skills and abilities.

    Commercial Windows iPhone Chrome OS

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