You can use this for a blog post, a resource page, or a GitHub repository README. Meta Description Download 50+ free programming books in PDF. Covers Python, JavaScript, Java, C++, Data Science, and Web Development. Legally free resources from open-source publishers. 1. Introduction (SEO-Friendly) Learning to code shouldn’t cost a fortune. While paid programming books offer deep value, there is a massive collection of legally free programming books available in PDF format. These include open-source textbooks, officially released older editions, and creative commons licensed content from universities and tech publishers.