| Project Gutenberg: A library of 17,000 free ebooks whose copyright has expired in the U.S.A. Book listings, search engine, newsletter, articles and information on how you can help create more free ebooks. |
| David Price's Project Gutenberg In-progress List: Listings of books which are being worked on at Project Gutenberg. Many of these books will be added to the PG collection in the near future. |
| Distributed Proofreaders: This site produces ebooks for Project Gutenberg. You can help proofreading ebooks; just one page or as many as you like. Projects and forum for beginners. Registration required. |
| Distributed Proofreaders Europe: Same as Distributed Proofreaders but focused on works in European languages other than English and on works that are in the public domain in Europe. |
| Project Gutenberg "To-do" List: Eligible books which are not yet in the project's database. |
| Project Gutenberg Consortia Center: A directory of public domain etext collections with search engine. By Project Gutenberg founder Michael Hart. |
| Project Gutenberg of Australia: Archive of free ebooks of works that are in the public domain in Australia. Australian writers. Thematic book listings. |