Alternatives to Sphere Contest for all platforms with any license

Platforms

Desktop

Mobile

Tablet

Web / Online

Other 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...

    Free Web / Cloud

  • DevSKiller.com icon

    DevSKiller.com

    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

  • Codility.com icon

    Codility.com

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

    Free Mac Windows Web / Cloud Android iPhone iPad

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