Youdu's indie products and long-term travel notes
Turning curious ideas into products, and the road into stories.
I'm Youdu, an indie developer and long-term traveler. TickleTickle collects the websites and tools I build, plus startup experiments, product thinking, AI tool explorations, and honest build-in-public notes.
Indie buildingAI toolsDigital nomad life
Featured Projects
This is where I showcase the websites, small tools, and online experiences I build. Each page explains the use case, audience, context, and maintenance status.
TickleTickle
Youdu's bilingual home for indie products, useful tools, build-in-public notes, startup lessons, and travel reflections.
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A planned space for lightweight AI and productivity tools that can be tried directly in the browser.
Latest Notes
The blog records product logs, startup lessons, mistakes, reflections, and personal growth from building while traveling.
2026-06-03T12:00:00.000Z
The 4 Levels of Freedom: Which One Are You At?
We all pursue 'freedom.' But often, the freedom we talk about is just a vague feeling. Until recently, I slowly concretized it. I'm a long-term world traveler. Over the years, I've
Built by a real person, maintained like a real site.
TickleTickle is maintained by Youdu. It is both a project hub and a public record of product experiments, startup lessons, and personal growth.
- About, Contact, Privacy, Terms, and Cookie pages
- Projects, tools, and online experience links
- Build-in-public logs and startup retrospectives
- Sitemap, canonical URLs, and hreflang metadata