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Founder of HelloGitHub, a platform discovering and sharing entry-level open source projects; active maintainer of GitHub accessibility tools.

open source project discovery and curationGitHub accessibility and infrastructureAI agents and deployment frameworksPython web scraping and automationmobile gaming AI companionsdeveloper education and learning resources

inferred from the public footprint

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Active 1d ago
Beijing, China

削微寒

Top 19%
@521xueweihan

Built HelloGitHub to surface interesting entry-level open source projects, then created GitHub520 to fix access and performance issues—work that's earned 213k+ stars and put him in the top 19% of GitHub contributors globally.

HelloGitHub. I curated a guide to interesting entry-level open source projects.

168k

GitHub520. I built a tool that makes GitHub load faster and fixes broken images.

29k

FlagEvalMM. I built a testing toolkit for multimodal AI models.

107

OneFile. I collected working games, servers, and tools that each fit in one file.

1.4k

Git Tips. I collected the Git commands and tricks that actually save you time.

16k

HGDoll. I made an AI app that watches your games and talks to you while you play.

24

HelloGitHub Articles. I wrote articles explaining open source projects so anyone can understand them.

1.7k

HelloGitHub. I made a website that finds interesting open source projects for beginners.

827

Git Sandbox. I made a sandbox for practicing git commands safely.

3

HelloGitHub. I created a guide to discovering interesting open-source projects.

23

Img3. I made software that visits websites and saves images automatically.

1

Shadowsocks Heroku. I built a private tunnel you can run on free hosting.

213

TestCFOR. I made a tool that checks if code does what it should.

1

Script. I collected useful Python scripts for people working with GitHub.

16

Reliable UDP. I built a system that makes internet connections reliable for online games.

2

Python Skill. I collected 91 practical suggestions for writing better Python code.

12

Ad Law Checker. I made a tool that spots advertising law violations in your text.

14

Logo Collection. I collected thousands of logos in one organized place.

1

HolleWorld. I built a reading website with instant word translation and learning tracking.

40

GitHubPageHub. I made a gallery for people to share and discover personal blogs.

31

Learn Python the Hard Way Notes. I made study notes and working code from Learn Python the Hard Way.

1.4k

Note. I made a simple notebook app for keeping track of things.

15

Img2. I made a tool that converts images from one format to another.

1

Learn Flask. I wrote study notes on Flask for Python beginners.

6

Django Practice. I made a practice project to learn how to build websites.

1

PySpider. I documented how to build software that visits websites and gathers data.

53

PyHub. I made a directory of Python blogs and resources.

6

Hydra. I made a tool that gathers account data from multiple websites.

237

Python Skills. I collected Python learning resources and practical tips in one place.

48

Img4. I made a tool that collects and stores images from websites automatically.

2

Img. I made a collection of images organized for easy browsing.

1

Blog Site. I built a personal blog site with HTML.

12

HelloGitHub. I made a monthly guide to open source projects anyone can use.

37

Relax. I made a tool for building websites without coding.

2