This website provides free e-books, mainly about holistic agriculture, holistic health and self-sufficient homestead living. There are secondary collections about social criticism and transformational psychology.
"A Byte of Vim" is a book which aims to help you to learn how to use the Vim editor (version 7), even if all you know is how to use the computer keyboard.
Larry Lessig's magnificent book The Future of Ideas is now available as a Creative Commons Attribution-NonCommercial licensed download.