I used to give all my technical presentations in Emacs. https://github.com/jrockway/eslide https://github.com/jrockway/eslide I have not tested it on modern E

I used to give all my technical presentations in Emacs. https://github.com/jrockway/eslide https://github.com/jrockway/eslide I have not tested it on modern Emacs, but it was fun to write. (It basically finds the largest size that each slide can be displayed in, and displays it at that size. And it of course syntax highlights code blocks with Emacs.)