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About me

Hi, I'm Ayu. A Tokyo-based developer passionate about the open-source ecosystem and building tools that prioritise improving the web.

Latest posts

The UUID Glossary

A quick reference guide to UUIDs.

Recent projects

See all projects

go-useragent

Fast trie-based user-agent parser.
Medama Analytics

Self-hostable, privacy-focused website analytics.
Fontsource

Self-host fonts in neatly bundled packages.

Let's Connect

If you want to get in touch with me about something or just to say hi, reach out on social media or send me an email.

Bluesky /
GitHub /
hello@ayuhito.com

© 2025 • ayuhito

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