The library is built and maintained primarily by volunteers who digitize, proofread, and format the texts.
: 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 Project Gutenberg
: Books are provided in simple formats (like plain text and HTML) that can be read, used, and searched by almost any computer or program. The library is built and maintained primarily by
: Although heavily English-centric (over 21,000 books as of 2008), it hosts significant collections in French, German, Finnish, Dutch, and dozens of other languages. 000 books as of 2008)