Alternatives to Topcoder for all platforms with any license

Platforms

Show 5 less popular platforms
  • 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

    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...

    Free Self-Hosted

    No features added Add a feature
  • Codingbat icon

    Codingbat

    The online programming practice in java and python. CodingBat is a free site of live coding problems to build coding skill in Java, and now in Python (example...

    Free Web

    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...

    Free Web Self-Hosted

    No features added Add a feature
  • Codechef icon

    Codechef

    CodeChef was created by Directi as a way to continuously challenge and engage the developer community. Our goals are to provide a platform for practice, competition and...

    Free Web

    No features added Add a feature
  • Programmr icon

    Programmr

    At Programmr you can code, compile & run your programs directly in the browser. Supported platforms include C++, Java, PHP, C#, Flex, J2EE, Objective-C and many...

    Free Web

    No features added Add a feature
  • Kattis icon

    Kattis

    Kattis helps companies make safer recruitments and attract the best developers with its dynamic challenge platform. With Kattis companies make sure developers make...

    Commercial Web

    No features added Add a feature
  • Geektastic icon

    Geektastic

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

    Commercial Windows iPhone Chrome OS

    No features added Add a feature

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