LeetCode Alternatives

LeetCode is described as 'Platform for learning and improving coding skills with the goal of being fully prepared for programming interviews. Choose problems to solve from categories such as System Design, Algorithms and Database, join code contests and engage in mock interviews' and is a Code Learning service in the development category. There are more than 50 alternatives to LeetCode, not only websites but also apps for a variety of platforms, including Windows, SaaS, Mac and Android apps. The best LeetCode alternative is exercism, which is both free and Open Source. Other great sites and apps similar to LeetCode are Codecademy, Project Euler, HackerRank and Codewars.

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Alternatives list

  1. SDET Code icon
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    Mutation testing practice platform for QA Engineers. Write pytest tests that catch hidden bugs in AI-generated code. 339 challenges across real-world domains, browser-based execution, instant feedback. Like LeetCode but for writing tests, not solving algorithms.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  2. Practice 100+ Microsoft Excel exercises online. From beginner formulas to advanced functions like XLOOKUP. Instant feedback, step-by-step guidance. Try them free in your browser.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
     
  3. Paircast icon
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    Stop wasting your engineers' time with candidates you never hire. Paircast video take-homes show you how candidates solve real-world problems before they reach your engineers. Records screen and code changes during development. Works with all languages.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Software as a Service (SaaS)
     
  4. System Overflow provides structured system design interview preparation content, including high-quality diagrams, design breakdowns, and experience-level guidance for software engineers preparing for technical interviews.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  5. Budibadu icon
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    Practice coding for free with hundreds of real-world problems that strengthen your problem-solving and algorithmic thinking skills. Explore challenges across different topics, learn new techniques, and grow your confidence as a programmer.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  6. Evaluate icon
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    Evaluate is a developer screening platform with pre-made tests that include programming and theory. Fully free until the end of 2020.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  7. Thita icon
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    AI-powered interview preparation platform with structured learning paths, coding practice, system design, and mock interviews.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
  8. Generative AI-powered skills assessment, talent intelligence & pre-employment testing platform designed to reduce bad hires fast.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  9. People frequently come to us asking for help with technical coding interviews. Many of us solve algorithmic coding puzzles for fun, and we’ve noticed a few things that make the process easier.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  10. Xobin icon
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    Xobin is an AI based Tech Hiring Platform for Secure Assessments and Collaborative Interviews enabling enterprises to build teams 4X faster.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
     
  11. DataLemur icon
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    DataLemur is a FREE SQL & Data Science Interview platform, used by thousands of Data Analysts & Data Scientists to prep for their technical interviews at companies like Amazon, Google, and Microsoft.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  12. OnSite icon
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    OnSite provides AI-powered interview practice that mirrors real hiring scenarios across 19 roles. Candidates train with adaptive simulations for software engineering, finance, consulting, marketing, design, and HR, and receive instant, role-specific feedback and analytics.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
     
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