Web books

https://practicaltypography.com/

https://natureofcode.com/book/

https://book.micro.blog/

https://books.worksinprogress.co/

https://growth.eladgil.com/

https://shapeofdesignbook.com/

https://www.library-on-mars.com/

https://www.thestreamingbook.com/

https://jackschaedler.github.io/circles-sines-signals/

https://htdp.org/

http://neuralnetworksanddeeplearning.com/

https://resilientwebdesign.com/

https://hypermedia.systems/

https://practical-svg.chriscoyier.net/

Tom Critchlow also has a collection here: https://www.are.na/tom-critchlow/web-books-w9of236l2uk