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Hi! I'm @azu.

I've worked on Open Source since 2010.
I've created 500+ npm pacakges and These are 10 million downloads a year.

I've created and now maintain several open-source libraries:

  • textlint is a linter for natural languages (2,000+:star:, 30,000+ month downloads)
  • Secretlint improves security ecosystem of project
  • HonKit build books using Markdown (1,000+ ⭐)
  • Almin (400+:star:)
  • rc-config-loader (200,000+ month downloads)
  • etc...

Also, I the main writer of some blogs about JavaScript and ECMAScript.

I've written JavaScript books as Open Source.

Your sponsorship helps me continue to contribute.
It helps offset the costs of getting to pay for hosting.
I also use it for learning new technology associated with my projects.

For more details:

Thank you for your support!

📝 If you can not find suitable sponsor tiers, please report to


I can more work on open source if I had 200 sponsors 💖

Current sponsors 108

Private Sponsor
Past sponsors 117

Featured work

  1. textlint/textlint

    The pluggable natural language linter for text and markdown.

    TypeScript 2,791
  2. secretlint/secretlint

    Pluggable linting tool to prevent committing credential.

    TypeScript 725
  3. honkit/honkit

    📖 HonKit is building beautiful books using Markdown - Fork of GitBook

    TypeScript 2,962
  4. asciidwango/js-primer

    📖 JavaScript Primer - 迷わないための入門書

    JavaScript 2,329
  5. azu/promises-book

    JavaScript Promiseの本

    HTML 1,368
  6. azu/large-scale-javascript


    JavaScript 320

53% towards 200 monthly sponsors goal

@konojunya @himanoa
@kazupon @nikukyugamer @teppeis @tai2 @aaharu

konojunya and 106 others sponsor this goal

Select a tier

$ a month

You'll receive any rewards listed in the $5 monthly tier. Additionally, a Public Sponsor achievement will be added to your profile.

$1 a month


✨ Supporter

Thank you for your support!

$5 a month


☕️ Coffee Supporter

I like coffee.
Your support helps me to brew my coffee.

❤️ Recommend Tier

$10 a month


🌐 Domain Supporter

I have several domain names like,,, and
Your support helps me to update these domains and buy new domains.

$30 a month


📖 Book Supporter

I'll read new technology books every month.
Your support helps me to buy new books.

✍️ I'm also a writer

I'll write technology books like and promise books.
Your support helps me to write and maintenance books.

$100 a month


💚 Sponsor

Apply's CoC to Sponsor

$300 a month


❤️ Open Source Sponsor

Big Thanks

Your support helps me to continue work for Open Source!

  • Tweet: Thank you tweet from Twitter @azu_re