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)
  ☆454Updated 11 months ago
• CannedGrape / oi
  NOIP, NOI, IOI
  ☆440Updated 8 months ago
• SFOI-Team / luogu-problem-list
  A problem list for luogu OJ.
  ☆392Updated 3 years ago
• bzoj-data / bzoj-data
  bzoj (lydsy.com) test data
  ☆27Updated 5 years ago
• GitPinkRabbit / Testlib-for-Lemons
  C++ library to develop competitive programming problems
  ☆26Updated 11 months ago
• luogu-dev / markdown-palettes
  Markdown*Palettes: Markdown editor for the modern web.
  ☆215Updated 3 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.
  ☆894Updated last year
• 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
  ☆630Updated 7 months ago
• open33oj / 33_training_plan
  oj.33dai.cn
  ☆22Updated 11 months ago
• GitPinkRabbit / Number-Theory-in-Competitive-Programming
  算法竞赛中的数论 – 系列课件
  ☆93Updated 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 11 months ago
• Wallbreaker5th / OI-statement-LaTeX
  A LaTeX template for (Chinese) OI statements.
  ☆42Updated 11 months ago
• Mulab11 / tuack
  ☆50Updated last year
• OIerDb-ng / OIer
  A database for OIers
  ☆598Updated last year
• open33oj / hydro-plugins
  33OJ 使用到的一些插件
  ☆28Updated last month
• sxyzccr / CCR-Plus
  A simple judging environment for Olympiad in Informatics
  ☆108Updated last year
• luogu-dev / luogulite
  The LuoguLite Project
  ☆75Updated 7 years ago
• Ruanxingzhi / bzojch
  BZOJ离线题库
  ☆83Updated 8 years ago
• zhipeng-jia / project-lemon
  Automatically exported from code.google.com/p/project-lemon
  ☆74Updated 7 years ago
• wao3 / luogu-stats-card
  动态生成洛谷个人练习数据卡片
  ☆314Updated 11 months ago
• zhblue / vjudge
  Just a preservation snap of the latest opensource version of virtual-judge
  ☆54Updated 5 years ago
• OIerDb-ng / OIerDb
  Next generation OIerDb.
  ☆495Updated 3 months ago
• Rratic / Luogu3.0plusplus
  Luogu 3.0++ 解释器
  ☆11Updated 4 years ago
• lyrio-dev / lyrio
  The backend service of Lyrio, which powers LibreOJ
  ☆118Updated 7 months ago
• hanlin-studio / CFRatingColor
  利用Shields.io，实现按颜色显示Codeforces的Rating
  ☆57Updated 2 years ago
• Nikaidou-Shinku / floating-luogu
  A plugin to decorate Luogu with exquisite user card.
  ☆41Updated 2 years ago
• SFOI-Team / OI-problem-index
  ☆16Updated 5 years ago
• vfleaking / uoj
  Universal Online Judge
  ☆539Updated this week
• luogu-dev / luogu-blog-frontend
  Frontend Theme Packs for Luogu Blog.
  ☆96Updated 2 years ago
• Schwarzkopf-Henkal / Chat-Room-Lite
  ☆33Updated 4 years ago