Software Alternatives, Accelerators & Startups

Project Euler

Project Euler is a series of challenging mathematical/computer programming problems that will...

Top 12 Open-Source Alternatives to Project Euler

Project Euler
LeetCode Exercism Codewars Real Python W3Schools Scratch DMOJ The Odin Project Glitch CodeAbbey

Summary

The top open-source alternatives to Project Euler are LeetCode, Exercism, and Codewars. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. Practice and level up your development skills and prepare for technical interviews.
    Pricing:
    • Open Source

    #Online Courses #Programming #Online Learning 544 social mentions

  2. Download and solve practice problems in over 30 different languages.
    Pricing:
    • Open Source

    #Online Courses #Programming #Online Learning 318 social mentions

  3. Achieve code mastery through challenge.
    Pricing:
    • Open Source

    #Education #Online Courses #Online Learning 160 social mentions

  4. Real Python is a Python tutorials and training videos website that provides an interactive platform for users to learn Python.
    Pricing:
    • Open Source

    #Education #Online Courses #Online Learning 57 social mentions

  5. W3Schools is a web developers information website, with tutorials and references on web development...
    Pricing:
    • Open Source

    #Education #Online Courses #Online Learning 187 social mentions

  6. Scratch is the programming language & online community where young people create stories, games, & animations.
    Pricing:
    • Open Source

    #Game Development #Programming #Coding 578 social mentions

  7. 7
    The DMOJ is a modern contest platform and archive of programming problems.
    Pricing:
    • Open Source

    #Online Courses #Programming #Online Learning 11 social mentions

  8. How it works. This is the website we wish we had when we were learning on our own. We scour the internet looking for only the best resources to supplement your learning and present them in a logical order.
    Pricing:
    • Open Source

    #Education #Online Courses #Online Learning 235 social mentions

  9. 9
    Glitch is the friendly community where everyone builds the web. Simple, powerful interface for creating web apps.
    Pricing:
    • Open Source
    • Free
    • Free Trial

    #Text Editors #Cloud Hosting #Code Collaboration 116 social mentions

  10. Programming problems to practice and learn for beginners
    Pricing:
    • Open Source

    #IDE #Text Editors #Programming 1 social mentions

  11. roadmap.sh is a community effort to create roadmaps, guides and other educational content to help guide the developers in picking up the path and guide their learnings.
    Pricing:
    • Open Source

    #Education #Online Courses #Online Learning 55 social mentions

  12. A game for learning CSS flexbox
    Pricing:
    • Open Source

    #Online Education #CSS Tools #Design Tools 268 social mentions

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