Alternatives and similar repositories for online-judge

Users that are interested in online-judge are comparing it to the libraries listed below

• DMOJ / judge-server

  View on GitHub
  Judging backend server for the DMOJ online judge.
  ☆961Jan 17, 2026Updated last month
• Ninjaclasher / dmoj-docker

  View on GitHub
  Docker setup for the DMOJ: Modern Online Judge site.
  ☆50Dec 28, 2024Updated last year
• DMOJ / docs

  View on GitHub
  Documentation for setting up and using the DMOJ judge.
  ☆34Apr 1, 2025Updated 10 months ago
• QingdaoU / OnlineJudge

  View on GitHub
  Open source online judge based on Vue, Django and Docker. | 青岛大学开源 Online Judge | QQ群 496710125 | admin@qduoj.com
  ☆6,494Oct 23, 2024Updated last year
• VNOI-Admin / OJ

  View on GitHub
  A modern open-source online judge and contest platform system.
  ☆203Feb 4, 2026Updated last week
• judge0 / judge0

  View on GitHub
  Robust, fast, scalable, and sandboxed open-source online code execution system for humans and AI.
  ☆3,962Updated this week
• vijos / vj4

  View on GitHub
  The online judge service with millions of submissions, since 2005.
  ☆544Jan 1, 2024Updated 2 years ago
• DOMjudge / domjudge

  View on GitHub
  DOMjudge programming contest jury system
  ☆857Updated this week
• UniversalOJ / UOJ-System

  View on GitHub
  Universal Online Judge (Community Edition)
  ☆480Oct 14, 2025Updated 4 months ago
• cms-dev / cms

  View on GitHub
  Contest Management System
  ☆1,015Updated this week
• shi-yang / jnoj

  View on GitHub
  Jiangnan Online Judge
  ☆253Jan 1, 2026Updated last month
• wesley-a-leung / Resources

  View on GitHub
  Data Structures, Algorithms, Utility Classes for Competitive Programming, Codeforces: https://codeforces.com/profile/wleung_bvg, AtCoder:…
  ☆42Jan 10, 2023Updated 3 years ago
• syzoj / syzoj

  View on GitHub
  一个用于算法竞赛的在线评测系统。An online judge system for algorithm competition.
  ☆911Aug 2, 2023Updated 2 years ago
• online-judge-tools / oj

  View on GitHub
  Tools for various online judges. Downloading sample cases, generating additional test cases, testing your code, and submitting it.
  ☆1,133May 3, 2024Updated last year
• F0RE1GNERS / eoj3

  View on GitHub
  华东师范大学在线测评系统。https://acm.ecnu.edu.cn/ https://eoj.i64d.com/
  ☆185Jun 19, 2023Updated 2 years ago
• ioi / isolate

  View on GitHub
  Sandbox for securely executing untrusted programs
  ☆1,383Feb 10, 2026Updated last week
• zhblue / freeproblemset

  View on GitHub
  freeproblemset is a standard for acm-icpc contest problem storage in xml
  ☆226Jan 24, 2026Updated 3 weeks ago
• hydro-dev / loj-download

  View on GitHub
  LibreOJ Problem download tool
  ☆21Oct 6, 2024Updated last year
• zhblue / hustoj

  View on GitHub
  Popular Simple Open Source Online Judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training, with easy installation. 简单实用的开源OJ系统
  ☆3,680Updated this week
• mjnaderi / Sharif-Judge

  View on GitHub
  A free and open source online judge system for programming courses
  ☆398Jun 11, 2024Updated last year
• vijos / jd4

  View on GitHub
  Judging daemon for programming contests
  ☆99Sep 9, 2024Updated last year
• QingdaoU / Judger

  View on GitHub
  Online judge sandbox based on seccomp | OnlineJudge 安全沙箱
  ☆489Jan 28, 2024Updated 2 years ago
• vfleaking / uoj

  View on GitHub
  Universal Online Judge
  ☆545Jul 13, 2025Updated 7 months ago
• Linzecong / LPOJ

  View on GitHub
  An open source online judge system base on Django REST framework and Vue.js !
  ☆241Mar 4, 2024Updated last year
• vijos / vj4-docker

  View on GitHub
  Dockerfile and docker-compose.yml for vijos/vj4.
  ☆32Jul 31, 2020Updated 5 years ago
• ZJGSU-Open-Source / GoOnlineJudge

  View on GitHub
  GoOnlineJudge
  ☆149Jun 6, 2025Updated 8 months ago
• LQDJudge / online-judge

  View on GitHub
  LQD Online Judge
  ☆87Feb 8, 2026Updated last week
• aropan / clist

  View on GitHub
  Your comprehensive guide to global programming contests. Track events, get details, and never miss a competition.
  ☆420Updated this week
• cpinitiative / usaco-guide

  View on GitHub
  A free collection of curated, high-quality resources to take you from Bronze to Platinum and beyond.
  ☆1,775Updated this week
• freefcw / hustoj

  View on GitHub
  the online judge system for acm/icpc
  ☆273Jul 19, 2022Updated 3 years ago
• yosupo06 / library-checker-problems

  View on GitHub
  The problem data (Test case generator, judge's solution, task, ...) of Library Checker
  ☆638Feb 2, 2026Updated 2 weeks ago
• criyle / go-judge

  View on GitHub
  Sandbox service built on Linux container technologies with simple REST and gRPC API
  ☆579Jan 9, 2026Updated last month
• MikeMirzayanov / testlib

  View on GitHub
  C++ library to develop competitive programming problems
  ☆1,664Feb 10, 2026Updated last week
• TheOnlineJudge / ojudge

  View on GitHub
  OJudge Platform
  ☆302Aug 3, 2020Updated 5 years ago
• hydro-dev / Hydro

  View on GitHub
  Hydro - Next generation high performance online-judge platform - 新一代高效强大的信息学在线测评系统 (a.k.a. vj5)
  ☆6,301Updated this week
• pushkar8723 / aurora

  View on GitHub
  SPOJ like judge to automatically judge the submitted solution.
  ☆99Sep 29, 2021Updated 4 years ago
• QingdaoU / OnlineJudgeDeploy

  View on GitHub
  ☆584Apr 7, 2024Updated last year
• xalanq / cf-tool

  View on GitHub
  Codeforces CLI (Submit, Parse, Test, etc.). Support Contests, Gym, Groups, acmsguru, Windows, macOS, Linux, 7 MB
  ☆1,378Jul 30, 2024Updated last year
• aqfaridi / Code-Online-Judge

  View on GitHub
  CodeOJ is a judge system used to test of programs in coding contests,Recruiters can conduct Hiring Challenges and for intra-inter college…
  ☆18Apr 12, 2016Updated 9 years ago