Every project here started the same way: a problem I lived with that I wanted fixed, or a question I wanted to answer. Below are the build stories behind the commercial apps, plus the open-source projects that came out of the same habit in smaller, more technology-focused form.
iOS · live · scouted.me
Your kid's recruiting shouldn't live in a Notes app.
iOS app for the college sports recruiting workflow. Built with Expo and Supabase, vibe-coded nights and weekends with AI tooling. Live on the App Store now, Android next.
macOS · live · Mac App Store
Never miss another meeting.
Native macOS app that takes over your screen with a full-screen reminder card when a meeting is about to start. SwiftUI, read-only OAuth to Apple, Google, and Microsoft. The hard part was deciding what not to include.
MCP · open source · github.com/mjucius/cozi_mcp
Take a picture. Get it on the family calendar.
Open-source MCP server bridging the Cozi family-organizer service into AI chat. Started as a Python client, ported to Node so installation is one command. Unofficial.
Web · free/open source · geographynerd.jucius.com
How well do you really know the map?
Free browser game: two cities pop up, guess which direction one is from the other. React 19, Vite, Tailwind, React Leaflet over CARTO tiles, GeoNames city data. No accounts, no install, no analytics.
iOS · live · scouted.me/hitmark
Nobody wants the whole game film. They want the swing.
Companion app to Scouted that auto-clips baseball and softball at-bats. On-device computer vision: spectral-flux audio detection, Vision body pose, and a custom-trained TrackNet ball model. Live on the App Store.