Building small tools in public

I'm Nan Liang. I build free browser tools — shift schedules, tournament brackets, seating charts, time card calculators — and I write here about how they're built, shipped, and run.

Latest notes

• I Built a Few Products Nobody Used: An Honest Retrospective From a Beginner Indie Developer

  I went full-time indie in October 2025 and shipped a few products nobody used. Here are the four mistakes I made — building before validating, red oceans, over-engineering, and ignoring search indexing — and why I still enjoy it.

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Tools I built

8 free tools, all running in the browser with no signup. See the full list →