Apps
Interactive web apps I’ve built and deployed — all open-source and running right in your browser.
CardPointer
Find the best credit card for every purchase.
A free, offline-capable progressive web app (PWA) that compares the cards in your wallet and tells you which one earns the most rewards for each shopping category.
Champaign County Crime Map
Interactive, self-updating crime map for Champaign County (2025–2026).
Visualize and analyze local crime incidents from METCAD data — search locations, filter by time period and crime type, and plan routes with safety scores.
Princeton University Crime Map
Campus crime map for Princeton University (SpotCrime, Spring 2026).
An interactive map of crime incidents at and around Princeton University — filter by type, location, and time, with safety-scored route planning.
GasPred
Should you fill up now or wait?
A gas-price forecasting app that uses machine learning on historical energy-market data, refinery metrics, and crude-oil futures to predict U.S. gasoline prices.