Software Alternatives & Reviews

LeetCode

Practice and level up your development skills and prepare for technical interviews.

Top 12 Open-Source Alternatives to LeetCode

Codewars Project Euler Exercism.io Daily Coding Problem W3Schools DMOJ CodeSandbox Glitch The Odin Project Scratch

Summary

The top open-source alternatives to LeetCode are Codewars, Project Euler, and Exercism.io. 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. Achieve code mastery through challenge.
    Pricing:
    • Open Source

    #Online Learning #Online Education #Online Courses 160 social mentions

  2. Project Euler is a series of challenging mathematical/computer programming problems that will...
    Pricing:
    • Open Source

    #Online Learning #Online Education #Programming 406 social mentions

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

    #Online Learning #Online Education #Online Courses 298 social mentions

  4. Get exceptionally good at coding interviews
    Pricing:
    • Open Source

    #Online Learning #Online Education #Coding 1 social mentions

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

    #Online Learning #Online Courses #Online Education 186 social mentions

  6. 6
    The DMOJ is a modern contest platform and archive of programming problems.
    Pricing:
    • Open Source

    #Online Education #Online Learning #Programming 11 social mentions

  7. Online playground for React
    Pricing:
    • Open Source

    #Text Editors #Programming #Programming Tools 300 social mentions

  8. 8
    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 112 social mentions

  9. 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

    #Online Learning #Online Courses #Online Education 233 social mentions

  10. 10
    Scratch is the programming language & online community where young people create stories, games, & animations.
    Pricing:
    • Open Source

    #Kids Education #Programming #Coding 558 social mentions

  11. LearnXinYminutes isn’t a good way to learn your first programming language, but it’s a great way to...
    Pricing:
    • Open Source

    #Online Learning #Online Education #Developer Tools 146 social mentions

  12. A multi-player AI sandbox to practise machine learning.
    Pricing:
    • Open Source

    #Online Learning #Online Education #Online Courses

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LeetCode discussion

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  1. User avatar
    Rohit Singh
    · 12 months ago
    · Reply

    Leetcode is a fantastic platform, no doubt. But exploring alternatives can expose you to different problem types, competitive environments, and learning formats, making you a more versatile coder. Plus, it’s always good to have a few more tools in your toolkit, right?