Brian Jester

List of software projects

ValueSlope

Compare annualized price changes and return smoothness across S&P 500 stocks.

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ValueSlope chart comparing annualized stock-price changes and return smoothness

Castles of Okinawa

Explore 12 Okinawan castles, with nearby attractions and food recommendations.

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Travel Guide: Castles of Okinawa

Fun Filipino Words and Culture

Introduce children to Filipino words and culture with a bilingual Tagalog-English book.

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Fun Filipino Words and Culture Thumbnail

IndexFlip

Study with flashcards and practice tests for Japanese, amateur radio, driving, music, and real estate.

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IndexFlip Thumbnail

DMR QRZ

Find Digital Mobile Radio contacts by radio ID or call sign.

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QRZ Who is calling me Thumbnail

Cabrillo Log

Create logs for Amateur Radio contests in Cabrillo format.

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Cabrillo Log Thumbnail

SOTA Logs

Create and manage CSV logs for Summits on the Air activations.

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SOTA Logs

Passive Income

View passive income earned from a collection of side projects.

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Morse Code Key

Send Morse code in your browser using your mouse.

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Morse Code Key Thumbnail

USGS Earthquake Map

Explore USGS earthquake data in a map built with Express and Mapbox.

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USGS Earthquake Map Screenshot

Castles of Okinawa (Companion Website)

Browse companion information for the travel guide to 12 Okinawan castles.

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Castles of Okinawa Thumbnail

More Projects Coming Soon

Check back for new software, amateur radio, education, investing, and travel projects.