Usually I create slideshows using one or multiple tools of [OrgMode, LaTeX Beamer, Slidy, Reveal.js]. Today I learned that one can also create slideshows using Racket. This got to be the most obscure way to create a slideshow! (Any challengers?)
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko