Open-Source Software

R and Python packages for data analysis, visualisation, statistical reporting, and developer tooling, plus web applications and a Quarto extension — 74M+ recorded downloads across CRAN and PyPI, including packages I co-author.

More projects on GitHub.

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4 projects

Applications

einbuergerungstest hex sticker

einbuergerungstest

Written in TypeScript
  • Creator
  • Applications

Bilingual German–English trainer for the German citizenship test (Einbürgerungstest)

  • 755 GA4 sessions starting in this application since 2020-01-01, through yesterday at the 2026-11-14 refresh. Analytics blockers can reduce counts.
  • 1 GitHub stars
chatbot-template hex sticker

chatbot-template

Written in TypeScript
  • Creator
  • Applications

Full-stack template for an LLM chatbot with a React frontend and FastAPI backend. Applies agentic engineering best practices and provides the bare bones of a software factory.

  • 9 GitHub stars
linkedin-post-formatter hex sticker

linkedin-post-formatter

Written in TypeScript
  • Creator
  • Applications

Rich-text editor that turns bold, italics, lists, and code into Unicode text LinkedIn keeps

save-indy hex sticker

save-indy

Written in TypeScript
  • Creator
  • Applications

A retro browser game that tests your JavaScript knowledge

  • 2 GitHub stars

2 projects

Python packages

16 projects

R packages

1 project

Sundry

quarto-read-aloud hex sticker

quarto-read-aloud

Written in JavaScript
  • Creator
  • Developer Tools

Quarto RevealJS extension that reads each slide's speaker notes aloud

  • 2 GitHub stars

Download counts from CRAN and PyPI, last updated .