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Best DMOJ Alternatives in 2026

12 platforms from automated grading software ranked against DMOJ on the same published basis.

  1. 1
    ClassMarker Free trial AndroidapiiOSWeb 7.4
    DMOJ vs ClassMarker
  2. 2
    PrairieLearn Free plan apiLinuxMacself-hostedWeb $0.25/mo7.4
    DMOJ vs PrairieLearn
  3. 3
    CodeGrade Free plan apiWeb Free7.3
    DMOJ vs CodeGrade
  4. 4
    HackerRank Free trial apiMacWebWin $165/mo7.3
    DMOJ vs HackerRank
  5. 5
    codePost Free plan apiself-hostedWeb Free7.2
    DMOJ vs codePost
  6. 6
    Codio Free trial apiLinuxMacWebWin $7.50/mo6.8
    DMOJ vs Codio
  7. 7
    Vocareum apiWeb $10/mo6.7
    DMOJ vs Vocareum
  8. 8
    MATLAB Grader Free plan LinuxMacWebWin Free6.0
    DMOJ vs MATLAB Grader
  9. 9
    Socrative Free plan AndroidiOSWeb $10/mo6.0
    DMOJ vs Socrative
  10. 10
    Easy LMS Free trial Web $66.67/mo5.9
    DMOJ vs Easy LMS
  11. 11
    Formative Free plan Web $20.75/mo5.9
    DMOJ vs Formative
  12. 12
    Gradescope Free plan AndroidiOSWeb Free5.9
    DMOJ vs Gradescope
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