A habit and energy tracker that also reads your body — with Whoop and Apple HealthKit sync, plus MCP for your AI agent to check in on your day, cheer you on, and suggest what to do next. Available on iOS and web.

Plans a family trip like a card game, with AI at every step. Dump any URL or text and it becomes a card — time budget, address, map pin. Draft cards onto days with AI suggestions, let the family vote, and see the whole trip before anyone gets in the car.

You cannot stop vibe coding? This is for you — an AI-assisted Pomodoro timer that watches instead of counting: real-time video FX filters, breath animations, and gesture dismissal — 100% local processing.

I built it so my kid would want to log every book they finish. Streaks, badges, AI-assisted book reviews, and an AI-generated taste profile. 200 books and counting.

Everything my kids need to practice music. Metronome, flip clock, practice notes, webcam mirror, and 50 kids-friendly themes. 360+ sessions logged so far.

API for your standing desk. ESPHome firmware that turns a $25 ESP32 into a WiFi bridge for a Jarvis (or any Jiecang-based) desk — web dashboard, HTTP API, and sit/stand presets included.

Interactive build guide for LEGO Mosaic Maker 40179 — auto color detection, distance guides, and speech readout. My first vibe coding project with Claude Code, and it cut build time by 50%.

An interactive alphabet learning app for my daughter Bella, with her own voice. 10 years later it's still her favorite app.

I'm obsessed with UX design, so I attended a bootcamp and documented what I learned there — process, tools, and mindset shifts.

I change my phone screen photo every week, showcasing my kids to document their growth. 10 years in and 1,000+ photos, still growing.

How to present yourself in 7 square inches? A personal branding and print design exercise.

How to help a startup verify their MVP? A usability study and recommendations.

How can we simplify the process of shopping for a wireless plan? A UX case study.

The best Monokai-based dark theme for JavaScript developers and markdown readers. 34k+ downloads on Atom, now ported to VS Code.

A gitbook with collection of resources, tools, and workflows for developers who want to level up their craft.

华人事业互助会2014圣诞贺卡 — An interactive holiday card for the Chinese-American community.

Converts a FreshStart Chrome extension JSON export into a readable list of links — so I could read my tab backups without restoring them.

Chrome extension that makes Thunder download links clickable. 1k+ users.

Made with jQuery, RMagick, and love. A personalized generative Valentine's Day card.

Makes email replies with >, >> prefixes readable again — built for my own inbox.

Real-time Beijing air quality tracker. Currently broken — Twitter dropped v1 API.

Since 2012, we trade gifts every Christmas. To level up the game, I made a video trailer for my gift. It's fun, and the whole family gets involved in the video making.