The Best 9 Codechef Alternatives

  • 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

  • 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.

    Freemium Web

  • Spoj

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

    Free Web Self-Hosted

  • 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

  • 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

  • Geektastic

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

    Commercial Windows iPhone Chrome OS

  • 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