Project Gutenberg -

: This key partner site facilitates the conversion of scanned physical books into e-books through a collaborative online process. Legal and Technical Framework Permission How-to - Project Gutenberg

The library is built and maintained primarily by volunteers who digitize, proofread, and format the texts.

: The initiative aims to break down barriers to education and personal betterment by enabling unlimited redistribution of classic works. Collection and Operations

: Books are provided in simple formats (like plain text and HTML) that can be read, used, and searched by almost any computer or program.