This article was written in 2016. It might or it might not be outdated. And it could be that the layout breaks. If that’s the case please let me know.
Last week Five Simple Steps, publisher of books about creating things for the web, shut down. This means that they stop selling their books, and the rights of selling the books go back to the authors. Lucky for us, someone created this website with links to the new places where you can get the books now. Some authors chose to sell their books, and others offer them for free. Not all books are listed here (yet), but it’s a good start.