Society for the Study of Chinese Religions http://isites.harvard.edu/icb/icb.do?keyword=k7027. In addition to the information the site gives on the scholarly activities and membership of the society and its Journal of Chinese Religions, the links section is an excellent place to start any exploration.
Links for Chinese Religion and Philosophy, Joseph Adler, Kenyon College http://www2.kenyon.edu/depts/religion/fac/adler/reln270/links270.htm. A very extensive and widely varied set of links, primary sources and secondary texts that extend beyond religion and philosophy to address other topics as well (e.g. Chinese women, medicine, politics, media, etc.) Especially useful for visitors with some background are the photos and other primary texts, and the links to monastery and temple sites.
Chinese Philosophical Etext Archive, Wesleyan University http://sangle.web.wesleyan.edu/etext/index.html. Full-text versions of Confucian philosophical works from the pre-Qin to the Republican eras.
Resources for East Asian Language and Thought, Charles Muller, Toyo Gakuen University. http://www.acmuller.net/. The main focus here is on Buddhism, with special attention to the rhetorical conflict between Buddhism and Confucianism. Extensive indices to the Buddhist canon and specialized bibliographies, but also CJK versions and English translations of classic Buddhist, Daoist and Confucian texts. Also contains two dictionaries of Buddhist terms as well as a general CJKV-English dictionary.
Yale Forum on Religion and Ecology. Although the focus here is on the connections between religions and environmental concerns, the sections on (for example) Confucianism, Daoism and Buddhism feature essays, bibliographies and links containing much information of general interest as well.
Bibliography of Western Language Publications on Chinese Popular Religion (1995 to present), Philip Clart, University of Leipzig http://www.uni-leipzig.de/~clartp/bibliography_CPR.html. A very comprehensive, well-organized and frequently updated bibliography of publications in Western languages on every aspect of Chinese popular religion. Some entries include abstracts.
Barend ter Haar’s Website, Oxford. The homepage of the eminent scholar of popular religion and social movements. He offers a number of bibliographies, including ones on contemporary religion, shamanism, and such other topics as protest and education and literacy. Also includes a substantial section on Falungong.
Chinese Paper Gods http://www.columbia.edu/cu/lweb/digital/collections/eastasian/paper_gods/index.html A digital collection of the New Year's prints and deity images for ritual offerings assembled by Anne S. Goodrich in Beijing in 1931.
Daoist Studies, James Miller, Queen’s University, Ontario. A wonderfully comprehensive site that offers something for everyone, from novices to experts. Among the many features are a basic starting booklist on Daoism, a searchable bibliographic database, a glossary of terms, several useful introductory essays, videos, and photos. The site also has links to information on several dozen academic and practicum courses, and a directory of scholars.
Centre for the Studies of Daoist Culture (道教文化研究中心), Chinese University of Hong Kong http://www.cuhk.edu.hk/crs/dao/index_en.html. Information on research activities, publications, conferences, and on the bilingual journal Daoism: Religion, History and Society《道教研究：宗教、歷史與社會》.
Buddhist Studies WWW Virtual Library http://www.ciolek.com/WWWVL-Buddhism.html. Features various specialized search engines, and organizes resources according to major schools within Buddhism (e.g. Pure Land, Zen, Tibetan Buddhism) and particular topics, such as Buddhist art.
Buddhist Digital Library and Museum (佛學數位圖書館暨博物館) National Taiwan University http://buddhiststudies.ntu.edu.tw/. An important site for researchers, with a searchable bibliographic database, links to numerous sources for full text Buddhist sutras (most in Chinese), and online Pali and Sanskrit lessons. Also feature lovely digital museums on such subjects as Xuanzang and the Silk Road and the history of Buddhism in Taiwan that are, alas, for the most part only accessible to Chinese readers.
Buddhanet, Buddha Dharma Education Association, Sydney, Australia http://www.buddhanet.net/. Though this site is aimed more at practitioners than academics, it also contains a number of online study guides, an e-book library, audio lectures, etc. Some of the information would be useful with more context (e.g. the source of the translation for the e-texts offered), but perhaps the handiest feature is the search engine that allows users to find listings of Buddhist resources in their areas.
Ricci Institute for Chinese-Western Cultural History, University of San Francisco http://usf.usfca.edu/ricci/. The site for a research and exchange program on the early history of Christianity in China, with a special focus on the Jesuit missions during the Ming and early Qing periods. The Ricci Roundtable database (http://ricci.rt.usfca.edu/index.html, Internet Explorer only) is an invaluable source for biographies, bibliographic information and guides to library and archives with holdings relating to Chinese Christianity.