Duncan
A Snapchat-style photo sharing app built as an installable web app, with friends, group snaps and push notifications.
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Duncan is a Snapchat replacement I built as a progressive web app, so it installs from the browser on any phone. You take photos with the in-app camera, send snaps to friends or share them to groups shown as a grid, and get a push notification when a new snap arrives, with friend search and caching for fast loading.
It's built with Next.js and React in TypeScript, with Supabase for the backend, the Web Push API for notifications, and deployed on Vercel.