Credits

This book and website were built with open-source software. Thank you to every project, maintainer, and contributor who shared their work.

Book production

Pandoc — Markdown to EPUB conversion
XeLaTeX / TeX Live — PDF typesetting
js-yaml — YAML metadata parsing
marked — Markdown rendering

Audiobook production

Kokoro TTS — Text-to-speech synthesis
Piper TTS — Lightweight local TTS
ONNX Runtime — Model inference
NumPy — Audio processing
certifi — SSL certificates for voice downloads
ffmpeg — Audio conversion
Python 3 — TTS pipeline runtime

Website

Next.js — React framework
React & React DOM — UI library
TypeScript — Typed JavaScript
Tailwind CSS — Utility-first styling
PostCSS & Autoprefixer — CSS processing
Framer Motion — Animations
Lucide React — Icons

Tooling

Node.js — Runtime
npm — Package management
AWS SDK for JavaScript — S3-compatible uploads

Built with gratitude.

Open source makes stories like this possible. If you use any of these tools, consider supporting their maintainers.