From the source, looks like they're using Quarto: https://quarto.org. - Source: Hacker News / 10 days ago

"But it's surprisingly challenging to publish books on the web in nice, cohesive, tight, easy-to-navigate HTML format." Quarto is one great option for doing that today. Bonus: it can also generate EPUBs and PDFs, all from one set of source files. https://quarto.org/ It's free and open source. https://github.com/quarto-dev/quarto-cli https://jjallaire.github.io/hopr/. - Source: Hacker News / about 1 month ago

I've used Quarto[1] to build a personal blog and it has been really easy and straightforward. Especially if you want to run some code alongside the post (like Python, R, or Julia). As far as I know, you can also use it to write books and presentations. [1]: https://quarto.org/. - Source: Hacker News / about 1 month ago

> Interactive examples have been added to the documentation, allowing users to run the examples locally on embedded Jupyterlite notebooks in their browser. This might sound strange, but to me this is the most exciting thing listed in the update document. I've been looking for ways to include _interactive_ Python scripts on static webpages (such as those made using Jupyter Book [1] or Quarto [1]. Up to now the only... - Source: Hacker News / 3 months ago

Deckset was the OG in this space, which I used a decade (!) ago in college. Looks like they moved off the Mac App Store, and are bringing out an iOS app now: https://www.deckset.com Now I much prefer something like https://quarto.org with dataviz. - Source: Hacker News / 4 months ago

(Opened article in Reader mode in browser, copied it, pasted into Markdownpad, cleaned up article (removed image captions, MORE: lines), made the whole article a quote, and pasted here in the comments.). Source: about 2 years ago

(I used http://markdownpad.com/ to quickly format the quoted article for posting here on Reddit). Source: over 2 years ago