Academic Info: Religion Gateway
Also an excellent starting place for religious research on the Web.
Statistics on the size and location of different faith groups around the world.
Jewish Women's Archive
A Virtual Archive, curricula and other educational materials, a variety of online exhibits, oral history guides, a blog, a growing collection of reminiscences of recently deceased Jewish women, and a myriad of other resources for anyone interested in the experiences of American Jewish women, both celebrated and unheralded.
Martin Luther King Jr. Research and Education Institute
Extensive online archive of MLK materials, plus information about the Institute and its ongoing work for peace, justice, and reconciliation. Includes the King Online Encyclopedia.
Ontario Consultants on Religious Tolerance
Descriptions of religions, spiritualities, and philosophical paths, with a focus on the intersections of religions and societies.
Quaker Faith and Practice (British edition)
The Society of Friends (Quakers) was founded in England, and so their edition of the Faith and Practice is a good place to look for specific Quaker values, behaviors, and beliefs.
The Revised Common Lectionary
A guideline for date- or occasion- appropriate scriptural readings. This is primarily a Protestant-centered online lectionary provided by the Vanderbilt Divinity School.
Rutgers University Virtual Religion Index
Religious societies, academic and research organizations, seminaries, research tools, etc.