Alternatives and similar repositories for problems

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

• UniversalOJ / UOJ-System
  Universal Online Judge (Community Edition)
  ☆482Updated 3 months ago
• CannedGrape / oi
  NOIP, NOI, IOI
  ☆475Updated last year
• SFOI-Team / luogu-problem-list
  A problem list for luogu OJ.
  ☆403Updated 3 years ago
• zhblue / freeproblemset
  freeproblemset is a standard for acm-icpc contest problem storage in xml
  ☆224Updated this week
• open33oj / 33_training_plan
  oj.33dai.cn
  ☆23Updated last year
• renbaoshuo / S2OJ
  Online Judge System for Shijiazhuang No.2 Middle School, based on Universal Online Judge.
  ☆36Updated last year
• syzoj / syzoj
  一个用于算法竞赛的在线评测系统。An online judge system for algorithm competition.
  ☆910Updated 2 years ago
• GitPinkRabbit / Number-Theory-in-Competitive-Programming
  算法竞赛中的数论 – 系列课件
  ☆97Updated 2 years ago
• shi-yang / jnoj
  Jiangnan Online Judge
  ☆254Updated 3 weeks ago
• sxyzccr / CCR-Plus
  A simple judging environment for Olympiad in Informatics
  ☆113Updated last year
• bzoj-data / bzoj-data
  bzoj (lydsy.com) test data
  ☆33Updated 6 years ago
• luogu-dev / markdown-palettes
  Markdown*Palettes: Markdown editor for the modern web.
  ☆231Updated 4 years ago
• zhipeng-jia / project-lemon
  Automatically exported from code.google.com/p/project-lemon
  ☆75Updated 8 years ago
• LibreOJ / backend
  The backend service of Lyrio, which powers LibreOJ
  ☆125Updated 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 / luogulite
  The LuoguLite Project
  ☆75Updated 8 years ago
• Linzecong / LPOJ
  An open source online judge system base on Django REST framework and Vue.js !
  ☆242Updated 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…
  ☆160Updated this week
• zhblue / vjudge
  Just a preservation snap of the latest opensource version of virtual-judge
  ☆53Updated 6 years ago
• LibreOJ / judge
  The judge service of Lyrio, which powers LibreOJ
  ☆44Updated 3 years ago
• open33oj / hydro-plugins
  33OJ 使用到的一些插件
  ☆39Updated 5 months ago
• F0RE1GNERS / eoj3
  华东师范大学在线测评系统。https://acm.ecnu.edu.cn/ https://eoj.i64d.com/
  ☆185Updated 2 years ago
• Ruanxingzhi / bzojch
  BZOJ离线题库
  ☆83Updated 8 years ago
• muzea-demo / random-data
  随机数据产生姬
  ☆27Updated 5 years ago
• atcoder-for-chinese-developers / atcoder-for-chinese
  Atcoder Description and Solution for Chinese
  ☆37Updated 2 months ago
• OIerDb-ng / OIer
  A database for OIers
  ☆610Updated 2 years ago
• luogu-dev / luogu-blog-frontend
  Frontend Theme Packs for Luogu Blog.
  ☆99Updated 2 years ago
• hnshhslsh / virtual-judge
  Holding contests using problems from other OJs!!
  ☆55Updated 3 years ago
• Mulab11 / tuack
  ☆57Updated last year
• cww97 / noip_tg
  ☆16Updated 6 years ago