Licenses

Licenses for content and code.

Last updated: May 2026

Content (Articles, Notes, Charts)

The written content and charts on this site are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0). You may republish, share or adapt them, provided you credit the source.

Code

The source code of this site is licensed under the MIT License. You are free to use, modify and distribute it.

Third-party software

This site uses third-party software under the following licenses:

  • Astro - MIT License
  • Pagefind - MIT License
  • Highcharts - Non-Commercial License
  • D3.js - ISC License
  • Paraglide - Apache 2.0 License
  • Lucide - ISC License
  • PhotoSwipe - MIT License
  • Satori - MPL-2.0 License
  • resvg-js - MPL-2.0 License
  • remark-math - MIT License
  • Temml - MIT License
  • @daiji256/rehype-mathml - MIT License

Fonts

  • Commissioner - SIL Open Font License 1.1
  • Noto Serif - SIL Open Font License 1.1
  • Fira Mono - SIL Open Font License 1.1
  • Latin Modern Math - GUST Font License (GFL)