Attributions

Static site generator

Heine (EUPL-1.2-or-later, Copyright Thomas Weitzel) builds this website from its checked content, data, and template relationships.

Generated stylesheets

The main stylesheet combines site-authored CSS with Tailwind CSS 4.3.3 (MIT, Copyright Tailwind Labs, Inc.). Its generated output retains Tailwind's license notice.

Artwork

I use free artwork on this site:

• Free icons from
  • Heroicons 2.2.0 (MIT, Copyright Tailwind Labs, Inc.)
• Free images under the Unsplash License from
  • 冬城
  • Abel Pérez
  • Alexander Ant
  • Alexander Grey
  • Andrew Buchanan (profile no longer available)
  • Andrew Stutesman
  • Brett Jordan
  • Christian Stahl
  • Clint Adair
  • Dan Gold
  • Dave Lowe
  • David Clode
  • Hasan Almasi
  • Jason Rosewell
  • Jehyun Sung
  • Katherine Fleitas
  • Lionel Hesry
  • Marcelo Marques
  • Marian Kroell (profile no longer available)
  • Marko Blažević
  • Markus Spiske (default Zolarwind banner image)
  • Markus Winkler
  • Max Williams
  • Mohammad Ali Berenji (profile no longer available)
  • Nathan Hulsey
  • Nick Fewings
  • Olav Tvedt
  • Omar Flores (profile no longer available)
  • Pawel Czerwinski
  • Richard Williams
  • Shubham Dhage
  • Sophie Vinetlouis (profile no longer available)
  • Steve Johnson
  • Sydney Rae
  • Tim Marshall
  • Tim Mossholder
  • Vitalik Vynarchyk
  • Vivaan Trivedii

Copied libraries and fonts

• KaTeX 0.19.0 (MIT License) for math rendering.
• Howler.js 2.2.4 (MIT License) for the custom audio player.
• Artalk 2.9.1 (MIT License) for optional comments.
• Fira Code 6.2 (SIL Open Font License 1.1) for code.
• STIX Two Math 2.13 b171 (SIL Open Font License 1.1) for native MathML.

This site publishes local copies of KaTeX, Howler.js, and Artalk. Their MIT license notice accompanies the copied files.

The local copies of Fira Code and STIX Two Math are available under the SIL Open Font License 1.1.

Build-time tools

• Mermaid CLI 12.0.0 (MIT) renders diagrams.
• PlantUML 1.2026.8 (GPL-3.0-or-later) renders diagrams.

These tools are not published with the site, and their diagram output is not a derivative work of them.

Generated syntax highlighting

Heine generates the syntax-highlighting stylesheet with Giallo 0.5.2 (EUPL-1.2). It includes the GitHub Light Default theme (MIT, Copyright 2020 Primer) and Ayu Dark theme (MIT, Copyright 2016 Ike Kurghinyan).