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The sample chapter, starter code for all three projects, and the official docs each chapter builds on. No email required for anything on this page except the code repo waitlist below.
Starter code — 3 real projects
PWA → Capacitor · Chapters 2–3
Field Survey App
modeled after ODK Collect
Dynamic form engine, IndexedDB offline storage, append-only sync.
repo not public yet — join the list belowReact Native · Chapter 4
Room Booking
modeled after Robin / YAROOMS / LibCal
Firestore transactions against double-booking, waitlist, realtime updates.
repo not public yet — join the list belowFlutter · Chapter 5
Expense OCR
modeled after Smart Receipts / Money Lover
ML Kit OCR + a real receipt parser.
repo not public yet — join the list below