The Best 13 Topcoder Alternatives

  • 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

  • Spoj icon

    Spoj

    Sphere Online Judge created for the coders' community to train, to learn and to make progress.

    Free Web Self-Hosted

  • CodeFights icon

    CodeFights

    Duel with friends and foes in head-to-head programming battles!.

    Free Personal Web

  • 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

  • Codingbat icon

    Codingbat

    The online programming practice in java and python.

    Free Web

  • 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

  • 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

  • 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

  • Geektastic icon

    Geektastic

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

    Commercial Windows iPhone Chrome OS

  • Hackerearth icon

    Hackerearth

    a social and community platform for students and developers for solving programming puzzles, sharing notes and practicing concepts with the online editor, live...

    Free Web