Alternatives and similar repositories for OJ

Users that are interested in OJ are comparing it to the libraries listed below

• UniversalOJ / UOJ-System
  Universal Online Judge (Community Edition)
  ☆467Updated last year
• Linzecong / LPOJ
  An open source online judge system base on Django REST framework and Vue.js !
  ☆242Updated last year
• shi-yang / jnoj
  Jiangnan Online Judge
  ☆256Updated last year
• Harry-zklcdc / OnlineJudge
  「稳健 Online Judge」后端
  ☆37Updated 2 years ago
• syzoj / syzoj
  一个用于算法竞赛的在线评测系统。An online judge system for algorithm competition.
  ☆899Updated 2 years ago
• QingdaoU / OnlineJudgeDeploy
  ☆574Updated last year
• Liu233w / acm-statistics
  An online tool (crawler) to analyze users performance in online judges (coding competition websites). Supported OJ: POJ, HDU, HYSBZ, Code…
  ☆158Updated this week
• xcpcio / xcpcio
  The ICPC Series Competition Leaderboard Visualization Engine
  ☆261Updated this week
• rainboyOJ / problems
  整理的题目与数据
  ☆32Updated last year
• cn-xcpc-tools / cn-xcpc-docs
  Documents about setting up ICPC contest environment
  ☆92Updated last year
• F0RE1GNERS / eoj3
  华东师范大学在线测评系统。https://acm.ecnu.edu.cn/ https://eoj.i64d.com/
  ☆187Updated 2 years ago
• CSGrandeur / CSGOJ
  一站式XCPC比赛系统
  ☆31Updated last year
• ouuan / uoj-data-converter
  将各种各样格式的数据转换为 UOJ 的格式 文件名转换 | subtask 设置| 添加样例 | 生成 problem.conf
  ☆28Updated last year
• luogu-dev / markdown-palettes
  Markdown*Palettes: Markdown editor for the modern web.
  ☆224Updated 4 years ago
• vfleaking / uoj
  Universal Online Judge
  ☆542Updated 2 months ago
• zhblue / freeproblemset
  freeproblemset is a standard for acm-icpc contest problem storage in xml
  ☆217Updated 8 months ago
• qinshaoxuan / ScrollBoard.js
  ACM竞赛颁奖揭榜时的滚榜展示插件
  ☆56Updated 6 years ago
• cn-xcpc-tools / Polygon2DOMjudge
  Simple python script converting polygon package to domjudge(kattis) package
  ☆47Updated 6 months ago
• SFOI-Team / luogu-problem-list
  A problem list for luogu OJ.
  ☆396Updated 3 years ago
• lyrio-dev / lyrio
  The backend service of Lyrio, which powers LibreOJ
  ☆122Updated 9 months ago
• 0f-0b / luogu-api-docs
  Unofficial Luogu API documentation.
  ☆86Updated 2 weeks ago
• luogu-dev / cyaron
  CYaRon: Yet Another Random Olympic-iNformatics test data generator
  ☆1,561Updated last month
• Project-LemonLime / Project_LemonLime
  为了 OI 比赛而生的基于 Lemon + LemonPlus 的轻量评测系统 | 三大桌面系统支持
  ☆649Updated last month
• hanlin-studio / CFRatingColor
  利用Shields.io，实现按颜色显示Codeforces的Rating
  ☆58Updated 2 years ago
• bzoj-data / bzoj-data
  bzoj (lydsy.com) test data
  ☆31Updated 6 years ago
• Mulab11 / tuack
  ☆53Updated last year
• CodeforcesContestHelper / CCHv2
  CCHv2 - A powerful contest helper for CodeForces, developed with NW.js.
  ☆409Updated last year
• CornerSkyless / Aspirin-Data-Builder
  图形化 Online Judge 数据批量生成器
  ☆19Updated 6 months ago
• yhx-12243 / OI-transit
  OI transit
  ☆64Updated 4 years ago
• extend-luogu / extend-luogu-LEGACY
  make Luogu more powerful.
  ☆21Updated 4 years ago