The author typesets the website in Pollen, a Racket library by Matthew Butterick. The CSS comes from a
css-expr source, a language designed by the author. The software for drawing vector graphics is Inkscape. The serif font is Charter, by Matthew Carter, from Bitstream. The monospaced font is Fira Mono, by bBoxType for Mozilla. Illustrations come from Font Awesome, by Dave Gandy and Fort Awesome; the Elementary icon set, by elementary OS; EmojiOne 2.2.7, by EmojiOne; Material Design icons and Noto Emoji by Google; and Twemoji by Twitter. Colors come from the Solarized colorscheme, by Ethan Schoonover. Syntax highlighting uses Pygments. The page layout draws from the works of Matthew Butterick and Edward Rolf Tufte.