Alternatives to Kattis for all platforms with any license

  • HackerRank

    Engaging social network tasking developers with real world coding challenges and connecting them with great companies.

    Free Personal Web

    No features added Add a feature

    HackerRank 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...

    Freemium $ $ $ Web

    Codewars icon
  • Project Euler

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

    Free Web

    No features added Add a feature

    Project Euler icon
  • CheckIO

    CheckiO is expanding the world’s code literacy through gameplay. We always wanted to create the most entertaining game where gaming and coding experiences are...

    Free Open Source Web Pycharm WebStorm

    CheckIO icon
  • 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...

    Freemium Web

    No features added Add a feature

    Coderbyte icon
  • Screeps

    Learn to code JavaScript by playing game. This game claims to be the world’s first MMO strategy sandbox game for programmers.

    Commercial $ $ $ Mac Windows Linux Web SteamOS

    No features added Add a feature

    Screeps icon
  • Know any more alternatives to Kattis?

    Suggest an application to this list
  • Topcoder

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

    Free Web

    No features added Add a feature

    Topcoder icon

Platforms

Show 16 less popular platforms

Kattis Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about Kattis? Just click the button up to your right!