Note: I can't vouch for the quality of all the materials offered on the external sites listed here. Some are more useful than others. Use your own best judgment. To report errors or to recommend sites to add to this list, please contact me.
- Amaravati Buddhist Monastery (Amaravati Buddhist Monastery, UK; PDF and HTML) offers a chanting guide and books by monastics from the Amaravati Buddhist sangha.
- Annotated Bibliography of Buddhism (Gregory Smith, USA) provides brief synopses of hundreds of books on Buddhism, and was prepared by the authors of the exceptionally clear and useful textbook The Buddhist Religion: A Historical Introduction (Fourth Edition).
- Aruna Publications (Aruna Ratanagiri Buddhist Monastery, UK; PDF and HTML) offers chanting guides and books by monastics from the Amaravati Buddhist sangha.
- Beyond the Net (Damrivi Foundation, Sri Lanka; HTML) has a collection of good short introductory articles about Theravada Buddhism by such authors as Bhikkhu Bodhi, Piyadassi Thera, Mithra Wettimuny, and Lily de Silva.
(Warning: this site makes heavy use of frames, graphics, and applets. Extra patience required.)
- BuddhaDust (Michael Olds) is a fascinating and often illuminating practical guide through the Buddha's teachings, based on Olds's refreshing translations of the Pali texts.
- BuddhaNet (Buddhanet, Australia; PDF, HTML, and other formats) has a large archive of Buddhist texts in a variety of formats.
- BuddhaSasana (Binh Anson; HTML) offers a good selection of articles and translations by contemporary authors (mostly Theravadan), in a very readable format.
- Downloadable Dhamma Talks & Writings of Thanissaro Bhikkhu (Nate Osgood; HTML) offers articles and books by by Thanissaro Bhikkhu.
- Going Forth (Malaysia) offers a collection of links to sites offering personal reflections on life as a Theravada Buddhist monk or nun.
- Letchworth Dhamma Nikethanaya Buddhist Centre (UK) offers an excellent chanting guide (in Pali and English) as well as a few introductory readings on Theravada Buddhism.
- Treasures of Pariyatti (Pariyatti, USA; PDF) offers a growing collection of out of print Dhamma articles and periodicals.
- Theravada Buddhist Women's Resources (Steve Russell; HTML) has a collection of writings by Buddhist women teachers, ancient and modern.
- Wat Pah Baan Taad (Thailand; PDF) offers a number of books by Ajaan Maha Boowa.
- Yellow Robe (Yi-Lei Wu; mostly PDF) offers a number of books by Bhikkhu Pesala, Mahasi Sayadaw, Sayadaw U Silananda, and others.