Alternatives

AtCoder alternatives

AtCoder is weekly programming contests from beginner to expert, with a public rating you can climb. It is a poor fit if you need a team plan, audit logs, or a phone number to call. Here are 5 tools on Toolora that do a similar job, 5 of them free or with a free tier, and what each one does differently.

AtCoder profileFree to compete; optional account
  1. 01

    Codeforces

    FreeToolora score93

    Competitive programming contests, a huge problemset, and a rating you can climb

    Instead of AtCoder: Also covers competitive programming and contests.

    Free to compete; optional account

  2. 02

    LeetCode

    Free tierToolora score90

    Interview-style coding problems with a judge

    Instead of AtCoder: Also covers algorithms and practice.

    Free + Premium

  3. 03

    HackerRank

    FreeToolora score87

    Coding challenges and interview practice

    Instead of AtCoder: Also covers algorithms and practice.

    Free practice + paid hiring products

  4. 04

    Advent of Code

    FreeToolora score96

    An annual calendar of programming puzzles, with past years still open to solve

    Instead of AtCoder: Also covers practice.

    Free; optional donations and merch

  5. 05

    Exercism

    FreeToolora score92

    Practice 80+ programming languages with exercises and optional mentoring

    Instead of AtCoder: Also covers practice.

    Free; optional donations and Exercism Insiders

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