Alternatives to for all platforms with any license

  • Project Euler icon

    Project Euler

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

    Free Web / Cloud

  • Coderbyte icon


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

    Freemium Web / Cloud

  • icon

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

    Free Web / Cloud

  • CodeFights icon


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

    Free Personal Self-Hosted

  • Codeeval icon


    CodeEval is platform for hosting coding challenges which has over 20,000+ competitive developers.

    Free Web / Cloud

  • CodinGame icon


    CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics.

    Free Web / Cloud

  • GetBadges icon


    GetBadges turns software development into a game which boost productivity and keeps developers both engaged and happy.

    Freemium Mac Windows Linux Web / Cloud Rollbar Jira ... Trello Pipedrive Slack CircleCI JetBrains TeamCity Heroku Redmine Olark Bitbucket Jenkins GitHub Atlassian Stash HipChat Stash GitLab

  • Codewars icon


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

    Free Self-Hosted

  • The AI Games icon

    The AI Games

    Develop your coding skills and practice them by competing with hundreds of players worldwide. Code your own bots in your preferred...

    Free Web / Cloud

  • icon

    The programmer testing solution that matches your job descriptions and helps you hire great developers faster.

    Free Mac Windows Web / Cloud Android iPhone iPad

  • Topcoder icon


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

    Free Web / Cloud

  • Codechef icon


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

    Free Web / Cloud

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  • icon

    At DevSKiller we make assessing programmers skills look like their 1st day at work, that’s the best way to recruit them.

    Free Mac Windows Web / Cloud Android iPhone

  • Kattis icon


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

    Commercial Web / Cloud Comments

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