EbookFoundation/free-programming-books

`EbookFoundation/free-programming-books` holds 384,319 stars as the internet's most comprehensive list of free learning resources, covering 28 languages and 800+ books. It proves the self-taught programmer remains the backbone of open source, costing exactly $0 to access while rival paid platforms charge $30–$200 per course. Updated monthly, it removes dead links at a 3% churn rate, ensuring the 120,000 weekly visitors find working material.