从头开始构建header-only、高效、多线程、内存安全的Json序列化与反序列化工具！

A Typst template for CNOI-style statements for competitive programming. | CNOI 题面排版风格的 Typst 模板。

An API for OI event.

An face chcek system for checkin.

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

Interesting maze game - write python code to solve a maze.

NNSZCP-2023 Resource

A new markup-based typesetting system that is powerful and easy to learn.

Touch support for SDFE(Wacca).

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)

A base plugin and library in Bukkit

【升级版-Electron】Check how many CEFs are on your computer. 检测你电脑上有几个CEF.