Projects Showcase
Explore a collection of my work, including tools for Jewish studies, data visualizations, and various tech experiments.
Books
Featured Projects
Memory Quiz (SefariaMemory)
Memorize Hebrew texts from Sefaria.
Haftara Stats
Visualize Haftarah readings across rites.
Biblical & US/UK City Names Map
Interactive map of Biblical locations and US/UK cities.
Biblical Character Timelines
Explore the ages and timelines of biblical characters at key events based on different commentaries.
Micrography
Recreate images using chosen text.
Zmanim Tracker (New-Zmanim)
Advanced Zmanim lookup and comparison.
Parsha Explorer
In-depth exploration of biblical texts.
Torah Schedule Creator
Customized Torah and Mishnah study schedules.
When are the Jewish Holidays
Holiday almanac for the working week — calendar, days-off planner, year comparisons, plus a free REST API and ICS feeds. Live at whenarethejewishholidays.com.
Literary Bible (Color-Coded Bible)
Explore the Hebrew Bible with highlighted literary devices.
Israeli Imported Foods Database
Search and explore Israeli government data on imported food products and kashrut certifications.
Trader Joe's Spice Matrix
Interactive crossover visualizer mapping ingredient frequencies and sharing ratios across 25 popular Trader Joe's seasonings.
Pinmap (Travel Tracker)
Track and share cities, states, and countries visited.
2026 Business Card Calendar
A full year on a 3.5×2" card — clever row alignment means every month shares the same date grid. Download as PDF, LaTeX source, or 3D-printable STL.
Likutei Moharan — Annotated
Bilingual annotated study of Rebbe Nachman's Likutei Moharan examining 256 passages on intellect, external wisdom, and faith — with embedded PDF and interactive stance filter.
3D Print Tools
Browser toolbox for 3D printing — STL viewer & stats, scaling, cost estimator, bed-fit checker, a sand-castle mold generator that turns any model into a printable beach mold, plus lithophane, QR plaque, and name-tag generators.
ZmanimFace — Garmin Watchface
Halachic watchface for the Garmin Instinct 2 showing all 11 zmanim, Hebrew date, shaah zmanit, next-zman countdown, period progress bar, and an innovative day-arc timeline — built in Monkey C using the NOAA solar algorithm. Accuracy within ±0.8 min of Hebcal API.
QidQuotes
Telegram bot that turns my kids' quotes into AI-illustrated watercolor storybook cards — with their real faces and exact age. One free Cloudflare Worker, Google Sheets as the database, Replicate for the art. Read how it works.
Weather Avatar
Real-time weather meets FLUX AI portrait generation. Fetches live conditions from Open-Meteo, builds a weather-shaped prompt, then generates a portrait via FLUX 2 Klein 4B image-to-image — sunny vibes, rainy streets, or full blizzard depending on what's actually outside.
Quake Watch
Live global seismic activity powered by the USGS real-time GeoJSON feed. SVG world map with magnitude-colored dots, hover tooltips, magnitude histogram, and a live scrolling feed — refreshes every 60 seconds.
Sky Above
Real-time aircraft overhead using the OpenSky Network API. Radar-style canvas view, flight list sorted by altitude, and live stats — detects your location and shows every tracked plane within 280km.
ISS Now
Real-time ISS position from Open Notify, updating every 5 seconds. SVG world map with orbital trail, distance and ETA from your location — and a FLUX portrait generated the moment the station passes within 2,000 km overhead.
Crypto Vibes
Live BTC/ETH/SOL/DOGE prices from CoinGecko, with a market-mood system (Euphoria → REKT) that drives a FLUX AI portrait — bull Matthew, bear Matthew, zen Matthew. Includes a Torah perspective on each market condition.
Parsha Art
This week's Torah portion from Sefaria's live calendar API — aliyot, description, and a FLUX biblical scene illustration with scene-variant regeneration. Coverage for all 54 parshot mapped to their iconic moments.
Wiki Pulse
Yesterday's most-read Wikipedia articles via the Wikimedia REST API, with category filters (All / Jewish+Israel / Sports / Science / Culture), proportional view bars, and a 'Jewish interest' spotlight for the day's top related article.
World Pulse
Planet vitals dashboard: weather, ISS position, seismic activity, BTC price, Parsha HaShavua, and Wikipedia #1 — all live. Synthesizes all conditions into a single FLUX 'World Moment' portrait.
arXiv Feed
Live AI, ML, NLP, and Vision research papers direct from the arXiv API. Category tabs, full-text search, conference venue detection, and load-more pagination.
Solar Watch
Real-time space weather from NOAA SWPC: solar wind speed and density, Kp geomagnetic index (7-day chart), X-ray flare class, aurora latitude bands, and storm alerts. Generates a FLUX aurora portrait styled by current Kp intensity.
Jewish Learning Hub
Today's complete Jewish learning calendar live from Sefaria — Daf Yomi (with text preview), Parasha, Mishnah Yomit, 929, Rambam, Halakhah Yomit, Tanya, Yerushalmi Yomi, Daf a Week, and Hebrew date — all in one place. Generates a FLUX Talmudic scene illustration for each day's tractate.
HN Live
Real-time Hacker News top 150 stories via the Firebase API, refreshed every 90 seconds. Smart filters for AI/ML, Data, Jewish/Israel, Ask HN, Show HN — plus full-text search and live score, comment, and domain stats.
Air Quality
Real-time EPA AQI and pollutant breakdown (PM2.5, PM10, ozone, NO₂) for your location via Open-Meteo. 24-hour AQI chart, health guidance by level, and a FLUX portrait styled by current air quality from clear-day jogger to gas-mask dystopia.
On This Day
Historical events, births, and deaths for today's date from Wikipedia's REST API. Jewish and Israeli history highlighted, era filters (Ancient/Medieval/Modern/Contemporary), full-text search, and click any event to generate a FLUX scene with Matthew as a historical witness.
Radio World
Live streaming global radio from the Radio Browser community API. Curated tabs for Jewish music, Israeli stations, jazz, classical, Chicago, and lo-fi — click any station to stream instantly in-browser.
GitHub Trending
Live trending GitHub repositories via the GitHub search API. Smart topic filters (AI/LLMs, Data Tools, Web Dev, DevTools, Hebrew/Jewish tech) with time-range selector, star proportional background bars, and matthewjmiller07 profile view.
Kosher Scanner
Search Open Food Facts' 3M+ product database for kosher-certified foods. Displays certification agencies (OU, OK, Kof-K, cRc, Star-K), nutrition facts, and generates a FLUX portrait of Matthew enjoying the dish — Shabbat-table setting for kosher items.
Chicago Pulse
Recent crime incidents from Chicago's open data portal (Socrata API) — type breakdown with proportional bars, hourly time-of-day chart, 25-district heatmap grid, and community area leaderboard. Filter by crime type or district. Refreshes every 5 minutes.
Live Sports
Real-time MLB, NBA, NFL, and NHL scores via the ESPN public API, refreshing every 30 seconds. Live game status, score cards with team logos and colors, venue info, and Chicago team highlighting.
Chess Puzzle of the Day
Lichess daily puzzle via their free API — embedded Lichess board, puzzle themes (mateIn2, fork, pin, endgame, etc.), player info from the source game, hidden solution reveal, and a FLUX portrait of Matthew deep in thought at a chess board.
These applications are currently hosted on GitHub Pages and will be moved to subdomains of my custom domain soon.
More GitHub Repositories
bibleMap
Interactive map of biblical locations.
Colors
A color utility or exploration tool.
CompaniesHouseMap
Mapping data from Companies House.
Crypto
A cryptocurrency related project.
G2researchmethodology
Showcasing G2's research methodology.
github-slideshow
A slideshow tool for GitHub content.
HaftaraStats
Statistics and visualizations for Haftara readings.
Jewish-JS
JavaScript utilities for Jewish texts or calculations.
leviticus-quiz
A quiz on the Book of Leviticus.
LiteraryBible
Exploring literary devices in the Bible (Color-Coded Bible).
micrography
Generates micrography from images and text.
neigh2
A neighborhood or social data project.
Omer
Count the Omer in Rav Schachter's format.
Parsha-Explorer
In-depth exploration of biblical parshas.
Particles
A particle animation or simulation.
pinmap
Track and share visited locations on a map.
rebbe
A project related to a Rebbe or Chassidic thought.
SefariaMemory
Memory quiz for Hebrew texts from Sefaria (Memory Quiz).
Shnayim Mikra
Torah reading with Targum Onkelos, one aliyah at a time.
Tesla-Cost-Calculator
Calculates Tesla ownership costs.
TorahScheduler
Create custom Torah and Mishnah study schedules.
uscities
Interactive map of US and UK cities with shared names.
whenarethejewishholidays
Jewish holiday calendar with workday-off planner and free REST API.
xaastracker
Tracking examples of XaaS (Everything as a Service).
Zmanim
Zmanim lookup (possibly an earlier version or related).