CYaRon: Yet Another Random Olympic-iNformatics test data generator

</> htmx - high power tools for HTML

Sandbox service built on Linux container technologies with simple REST and gRPC API

テスト姬 (评测姬)

CSP-J/S/X, NOIP, NOI, IOI, 信息学奥林匹克竞赛历年真题收录 | QQ交流群529507453

Universal Online Judge (Community Edition)

This is just a GUI WRAPPER for chfs(cute http file server)

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

A simple judging environment for Olympiad in Informatics

A pleasant note-taking platform in native C++.

A hexo theme that looks like an A4 paper.（一个类A4纸张质感的hexo博客主题。）

Web canvas that support pen pressure

Online Judge System for Shijiazhuang No.2 Middle School, based on Universal Online Judge.

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