octree.io Alternatives

octree.io is described as 'Platform where you can practice Leetcode-style problems in a room with other people. It serves as a supplement to Leetcode as you can invite your friends to practice problems together. It features a Game Room, Trivia Room and a Lobby which is a Slack-like chat' and is an website. There are seven alternatives to octree.io, not only websites but also apps for Self-Hosted, SaaS, Mac and Windows. The best octree.io alternative is HackerRank. It's not free, so if you're looking for a free alternative, you could try HackerRank or LeetCode. Other great sites and apps similar to octree.io are Codechef, Codeforces, CodeSubmit and Thita.

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Alternatives list

  1. HackerRank icon

    HackerRank

     40 likes
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    A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.

    84 HackerRank alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Online
    HackerRank screenshot 1
     

    • HackerRank is the most popular Web-based alternative to octree.io.

    • HackerRank is the most popular free alternative to octree.io.

    • HackerRank is Free Personal and Proprietaryoctree.io is Free and Open Source
  2. LeetCode icon

    LeetCode

     23 likes
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    LeetCode is a 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.

    64 LeetCode alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Platforms

    • Online
    Problems list
     
  4. AceCoder icon

    AceCoder

     1 like
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    AceCoder is an invisible desktop app that instantly delivers solutions to any coding interview question.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    Home screen
     

    • AceCoder is the most popular Windows & Mac alternative to octree.io.

    • AceCoder is Freemium and Proprietaryoctree.io is Free and Open Source
    • AceCoder is Lightweight and Privacy focusedoctree.io is not according to our users
  5. Codechef icon

    Codechef

     7 likes
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    CodeChef is a not-for-profit educational initiative by Directi, an Indian software company. It is a global programming community that fosters learning and friendly competition, built on top of the world’s largest competitive programming platform.

    19 Codechef alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Codechef screenshot 1
     
  6. Codeforces icon

    Codeforces

     3 likes
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    Codeforces is a website that hosts competitive programming contests.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Self-Hosted
     

    • Codeforces is the most popular Self-Hosted alternative to octree.io.

    • Codeforces is Free and Proprietaryoctree.io is Free and Open Source
  7. CodeSubmit icon

    CodeSubmit

     1 like
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    Take-Home Coding Assignments That Provide Real Insights. Identify great candidates using real tasks, not brainteasers. Streamline your tech recruiting workflow and make better hiring decisions.

    Cost / License

    • Subscription
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
    CodeSubmit screenshot 1
     

    • CodeSubmit is the most popular SaaS alternative to octree.io.

    • CodeSubmit is the most popular commercial alternative to octree.io.

    • CodeSubmit is Paid and Proprietaryoctree.io is Free and Open Source
  9. Thita icon

    Thita

     Like
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    AI-powered interview preparation platform with structured learning paths, coding practice, system design, and mock interviews.

    81 Thita alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    Thita.ai Dashboard
     
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