Mobile product
Circls Hangout
An iOS app for helping friends stay connected and make plans, backed by a server-side Swift/Vapor API, PostgreSQL, custom messaging, and push notifications.
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Project Archive
A broader list of apps, experiments, tools, and older projects beyond the three recent highlights on the homepage.
The homepage keeps the project list intentionally focused. This archive keeps a little more of the fun stuff: small apps, hobby builds, client systems, security experiments, backend services, and older computer science projects.
Current and Recent
Arcade games
Really Simple Arcade
A collection of simple arcade games for iOS, iPadOS, and Apple Silicon Macs, built with a mix of SwiftUI, UIKit, Swift Concurrency, Combine, and Swift Package Manager.
Apple Watch utility
Plus Plus
A focused Apple Watch counter app built with SwiftUI and The Composable Architecture (TCA).
watchOS utility
Taipu
A standalone watchOS SwiftUI type-checker app with haptic feedback and Digital Crown interactions, built as a weekend hobby project.
Hydration tracker
Uru - Hydration Tracker
A small iOS hydration tracker built around a privacy-minded local-data approach.
Web app
ZTracker
A desktop- and mobile-friendly web app for simple hobby lists: model kits, books, movies, TV shows, and anything else people want to track and share.
Built with Next.js, React, Supabase, PostgreSQL, and Vercel, with Sign in with Apple and Sign in with Google for accounts and public list sharing.
Contract client system
Mobile Safe Zones
An iOS MDM application using MicroMDM, Core Bluetooth, and Firebase Realtime Database to support proximity-aware workflows.
Earlier Projects
macOS utility
Fast Track
A macOS AppKit and SwiftUI task-tracking menu bar application using Core Data, CloudKit, a login launcher, reusable components, keyboard shortcuts, and hotkey integration.
Security experiment
Kagi
An iOS app and Vapor API for a privacy-focused, end-to-end encrypted shared digital password vault using programmatic UIKit, CryptoKit, Combine, Keychain, and XCTest.
Image streaming
Musū
An iOS app and PHP backend for personalized image streaming, using Auto Layout, Alamofire, Cloudinary, Keychain, NSCache, MySQL, prepared statements, and AWS machine learning services.
Senior design
Lead the Way
An indoor navigation iOS app for the visually impaired using SpriteKit, Speech, Core Location, Core Motion, custom tracking algorithms, and a server-side Swift Vapor API.
Compiler and VM
PM/0
A compiler and virtual machine for PL/0, including lexer, scanner, parser, checker, code generator, and stack-based runtime.