Nice and clean, there's just one thing the video in the background is a bit too hard to see at first I missed it or maybe it was still loading but apart for that nice site.

The software that they are using in the video is called Robofont https://robofont.com/.

Documentaries

Episode 6 season 2 of Netflix Abstract: The Art of Design (Jonathan Hoefler: Typeface Design)

https://www.netflix.com/gb/title/80057883

Recommend to watch the full series if you can some great insights on a range of topics.

Articles:

https://www.typography.com/blog

https://www.typography.com/blog/typographic-illusions

Simple how to:

https://blog.hubspot.com/marketing/make-your-own-font

https://www.pcworld.com/article/3292220/how-to-make-your-own-fonts-with-microsoft-font-maker.html

Covering all angles, nice.

Great article and site.