math
No longer maintained
A discontinued mathematics solver whose source remains available for reference.
cloudflare-worker
collaborate
math
JavaScript
0
0
Updated Jun 2025
Back to home
More projects
Other open-source work and experiments
A collection of online judges, Hydro tooling, learning utilities, and completed experiments.
miniapp
A native mini app for the Youdao Dictionary Pen, involving device integration, C++, and embedded constraints.
C++
0
0
Updated Mar 2026
luoguCaptcha
A machine-learning model and inference implementation for recognizing Luogu captchas.
captcha
captcha-recognition
captcha-solver
Python
0
0
Updated Aug 2026
FileShare
Share files using Cloudflare Workers and GitHub Private Repositories!
cloudflare-workers
collaborate
filesharing
HTML
0
0
Updated Jul 2026
hydro-helper
No longer maintained
A VS Code helper extension built for Hydro users to retrieve problems, manage code, and connect Hydro with a local competitive-programming workflow.
vscode
vscode-extension
JavaScript
0
0
Updated Jul 2025
All other projects
image
A very simple online image hosting service
TypeScript
11
3
Updated Aug 2026
OJ
No longer maintained
An online judge server I contributed to, built with C++ and MySQL and improved around resource management, memory safety, and frontend modernization.
C++
10
2
Updated Feb 2025
shanghai-textbook-server
A structured search and download service for Shanghai school textbooks, workbooks, and related learning resources.
TypeScript
9
0
Updated Aug 2026
MultiRename
No longer maintained
Rename multiple files on Windows with a pattern.
C++
9
1
Updated Mar 2024
innovation
No longer maintained
Innovation for the Future
C++
8
0
Updated Jun 2025
shanghai-textbook
上海小初高 PDF 教材、练习册、教参与配套资源获取器
TypeScript
7
0
Updated Jul 2026
yugu-playback-downloader
No longer maintained
一个用于下载浴谷课程回放视频的工具
TypeScript
7
0
Updated Nov 2025
shanghai-textbook-data
上海小初高 PDF 教材、练习册、教参与配套资源
Roff
7
1
Updated Sep 2025
OJTool
No longer maintained
Get problem and submit code for OJ just from your CLI!
C++
7
0
Updated Jul 2024
yys
No longer maintained
Automates the daily login reward collection for the YYS game
Python
6
1
Updated May 2026
project-econ
No longer maintained
An open-source project shaped around a practical need.
TypeScript
5
0
Updated Feb 2026
aka
A very simple URL shorting service
TypeScript
5
0
Updated Nov 2025
ClassWeb
No longer maintained
An open-source project shaped around a practical need.
PHP
5
0
Updated Jan 2023
AtCoder
No longer maintained
An open-source project shaped around a practical need.
C++
4
0
Updated Apr 2025
RecentOIContests
No longer maintained
An open-source project shaped around a practical need.
C++
4
0
Updated Oct 2024
XMOJ-Client
No longer maintained
An open-source project shaped around a practical need.
C++
4
1
Updated Aug 2024
Picture
No longer maintained
An open-source project shaped around a practical need.
TypeScript
4
0
Updated Apr 2024
Gomoku
No longer maintained
An open-source project shaped around a practical need.
C++
4
0
Updated Mar 2024
Countdown
No longer maintained
Show a countdown on windows
C++
4
0
Updated Mar 2024
Communication
No longer maintained
An open-source project shaped around a practical need.
C++
4
0
Updated Nov 2023
AirClassroomDownload
No longer maintained
Download air classroom in Shanghai.
C++
4
0
Updated Oct 2023
Lib
No longer maintained
A lib for personal use.
C++
4
0
Updated Oct 2023
Etiger
No longer maintained
An open-source project shaped around a practical need.
C++
4
0
Updated Oct 2023
XimalayaTextDownload
No longer maintained
An open-source project shaped around a practical need.
C++
4
1
Updated Oct 2023
MicrosoftShowsDownloader
No longer maintained
An open-source project shaped around a practical need.
C++
4
0
Updated Oct 2023
Captcha
No longer maintained
An open-source project shaped around a practical need.
C++
4
0
Updated Jul 2023
Coding
No longer maintained
Record my coding projects
C++
4
0
Updated Jun 2023
Luogu
No longer maintained
An open-source project shaped around a practical need.
C++
3
0
Updated Nov 2025
OIBingo
No longer maintained
Play Bingo about OI problems.
TypeScript
3
0
Updated Nov 2025
Codeforces
No longer maintained
An open-source project shaped around a practical need.
C++
3
0
Updated Nov 2025
Achieve3000Download
No longer maintained
Download Achieve3000 article as HTML to make it easier to print.
C++
3
0
Updated Nov 2023
XMOJ
No longer maintained
An open-source project shaped around a practical need.
C++
3
1
Updated Nov 2023
UVa
No longer maintained
An open-source project shaped around a practical need.
C++
3
0
Updated Oct 2023
USACO
No longer maintained
An open-source project shaped around a practical need.
C++
3
0
Updated Oct 2023
QianLiaoDownload
No longer maintained
An open-source project shaped around a practical need.
C++
3
0
Updated Oct 2023
Lunar
No longer maintained
An open-source project shaped around a practical need.
C++
3
0
Updated Oct 2023
EnglishReview
No longer maintained
An open-source project shaped around a practical need.
C++
3
0
Updated Jul 2023
FitBudsControl
An open-source project shaped around a practical need.
C#
2
0
Updated Aug 2026
ysr
An open-source project shaped around a practical need.
Python
2
0
Updated Jun 2026
luoguPaintboard
No longer maintained
An open-source project shaped around a practical need.
TypeScript
2
0
Updated Oct 2025
FaceAuthTPM
An open-source project shaped around a practical need.
C++
1
0
Updated Aug 2026
mpc-lyrics
MPC-HC 桌面歌词悬浮工具，支持双语字幕、下一句预览、系统亚克力与多格式字幕
C#
1
0
Updated Aug 2026
cyezoi-yq
No longer maintained
An open-source project shaped around a practical need.
TypeScript
1
1
Updated Aug 2025