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 an website in the Development category. There are more than 25 alternatives to LeetCode, not only websites but also apps for a variety of platforms, including Windows, Mac, SaaS and Linux. The best alternative is Khan Academy, which is free. Other great sites and apps similar to LeetCode are Codecademy (Freemium), exercism (Free, Open Source), HackerRank (Free Personal) and Codewars (Freemium).

    This page was last updated Jun 1, 2021

    1. Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.
      show more
    2. Learn to code interactively, for free.
      show more


      • FreeOpen Source
      • Online
      • Terminal
      Are you a code newbie? Learning to program is exhilarating and challenging... and also frustrating, exhausting, and overwhelming.
      show more
    3. Engaging social network tasking developers with real world coding challenges and connecting them with great companies.
      show more
      • FreemiumProprietary
      • Online
      Achieve code mastery through challenge. Improve your skills by training with others on real code challenges Kata


    4. When learning to code, most people get stuck on the "bridge" between memorizing syntax and understanding the logic that makes it all work. We believe the most effective way to learn a programming language is to break the process into three phases:
      show more
      • FreeProprietary
      • Online
      Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
      show more
      Project Euler vs LeetCode opinions
      pros, cons and recent comments
      There is a mathematical focus and has good examples of why some problems need optimized algorithms. You get exposed to a lot of cool math concepts and are challenged to write in efficient time and space complexity.
      Positive comment over 1 year ago

      0
    5. Play with Programming. Solve challenging problems, code AI bots, have fun.
      show more
      • FreeOpen Source
      • Online
      • Pycharm
      • WebStorm
      Online game for Python and JavaScript coders to improve skills.
      show more
      • Mac
      • Windows
      • Linux
      • Online
      • SteamOS
      Screeps is a massive multiplayer online real-time strategy game. Each player can create his or her own colony in a single persistent world shared by all the players. Such a colony can mine resources, build units, conquer territory.
      show more
    Showing 10 of 46 alternatives