Unbound Bible — Search 10 english versions and over 40 in other languages.
Catholic Diocese of Idaho -- The official site of the Diocese of Boise. It includes a link to the the Resource Center, a source of books, videos and other materials.
Catholic Church
Catholic Community Search Engine — Catholic search engine plus links to many catholic resources.
National Conference of Catholic Bishops — The official site of the U.S. Catholic Bishops. Full text of pastoral letters, reflections, and liturgical readings.
Vatican — The official site of the Vatican. Full text of encyclicals back through the end of 1800s, full text of Vatican II documents, and Pope's current statements.
Papal Encyclicals Online -- This website provides papal encyclicals and other Church documents from 1226 to the present.
Catholic Social Justice
Catholic Social Teaching
The Busy Christian's Guide to Catholic Social Teaching
Universal Themes in Catholic Social Teaching
Comparative Religion
Islam — Includes Islam, Islamic Studies,Religion (in general)and Arabic language. Beginner's site for those seeking more, or a good introduction. Has a selection on Sufism
Islam
Qur'an — Three different translations (side by side)fo the Qur'an. Has its own search engine, and a topical index
Virtual Religion Index — Includes information on ancient religions, Catholicism, Protestantism, Islam, Buddhism, etc.
Saints
Saints and Angels — Includes information on individual saints including biographies and feast days.