A general-purpose campus iOS app, first launched at Beijing Forestry University. Integrates timetables, grades, community, and campus tools — independently built from design to backend, now serving 5,000+ users.

An offline poetry reading iOS app built with SwiftUI and a local poetry database. Uses an Apple Music-style architecture for browsing — works fully offline with favorites and search.

A city map poster generator. Enter any address and get a printable, minimalist city map poster — powered by OpenStreetMap data and Python.

A local prediction market research system. News collection → DeepSeek forecasting → risk control → automated order placement, built around Polymarket 15-minute BTC/ETH markets with paper trading and live modes.