Not sure if you've seen this, https://github.com/EbookFoundation/free-programming-books/blob/master/free-programming-books.md https://github.com/EbookFoundatio

Not sure if you've seen this, https://github.com/EbookFoundation/free-programming-books/blob/master/free-programming-books.md https://github.com/EbookFoundation/free-programming-books/bl... Edit, There's also, https://www.reddit.com/r/csbooks/ https://www.reddit.com/r/csbooks/