Open Source LeetCode Alternatives

    The best open source alternative to LeetCode is exercism, which is both free and Open Source. 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 (Free, Open Source), BitDegree (Freemium, Open Source), Battlesnake (Free, Open Source) and Halite Programming Challenge (Free, Open Source).

    This page was last updated Jun 1, 2021

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    Showing 5 of 5 alternatives