Projects

What I’m building, what I’ve open-sourced, and what’s next.

PainHunt

Live · public beta

Validate any startup idea in 10 seconds

PainHunt crawls Reddit, Hacker News, App Store reviews, and 4 more sources 24/7. AI ranks every complaint by commercial potential. You build the solution. Stripe does the rest.

90,000+ pain signals
16,000+ buyers with budget
50,000+ auto-generated playbooks

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Echo (zhidun-echo)

Internal use · public release TBD

AI-driven content engine — record once, distribute everywhere

An AI-driven content engine that automates video, audio, and text creation. Used internally to power Bill's multi-platform content distribution. Open source release coming when v1 stabilizes.

View on GitHub →

Open source

A few of my favorites from github.com/BillLucky (66 repos · 520 stars).

MountGuard for Mac

Freely read and write to external drives on macOS

multi-mitmproxy-service

Multi-port reverse proxy suite — analyze and diagnose any call

trojan-x

Fast run a Trojan server locally

baike-downloader

Search Baidu Baike efficiently and download for research