Alternatives to Codechef for all platforms with any license

Platforms

Web / Online

  • Coderbyte icon

    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 algorithmic thought process on any problem you want at anytime. Coderbyte...

    Freemium Web / Cloud

    No features added Add a feature
  • hackerrank.com icon

    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.

    Free Web / Cloud

    No features added Add a feature
  • Codewars icon

    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 focused on improving skill and technique. Some train programming...

    Free Self-Hosted

    No features added Add a feature
  • Spoj icon

    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 users Spoj is one of the best programmers' communities and...

    Free Web / Cloud Self-Hosted

    No features added Add a feature
  • 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 problems.

    Free Web / Cloud

    No features added Add a feature

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