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Open Source LeetCode Alternatives

The best open source alternative to LeetCode is exercism. If that doesn't suit you, our users have ranked more than 25 alternatives to LeetCode and five of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to LeetCode are CheckIO, BitDegree, Battlesnake and Halite Programming Challenge.

LeetCode alternatives are mainly Code Learning Services but may also be Online Education Services or Code Editors. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of LeetCode.
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LeetCode iconLeetCode
  • FreemiumProprietary
  • Online

LeetCode is a platform for learning and improving coding skills with the goal of being fully prepared for programming...

Learn more about LeetCode

  1. Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.

  2. CheckIO icon


    • FreeOpen Source
    • Online
    • Pycharm
    • WebStorm

    Online game for Python and JavaScript coders to improve skills.


  3. BitDegree is a blockchain powered education platform that aims to revolutionize education and the blockchain technology. The platform offers students best online courses with a transparent a clear blockchain based achievement tracking and rewards system.

  4. Battlesnake icon

    Battlesnake is a multi-player programming game played by developers all over the world. All you need to play is a live web server that implements the Battlesnake API.

  5. Halite Programming Challenge icon

    Halite Programming Challenge

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Halite is an artificial intelligence programming challenge.

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Showing 5 of 5 alternatives