liturgy.ru (in Russian)
Orthodox Faith ― Bringing the Light of Orthodox Christianity to the World Wide Web
Liturgy pages at byzantines.net
Read Holy Tradition page and the Priest's Service Book at the Web site of the (OCA) SS. Peter and Paul Orthodox Church in Meriden, Conn.
Liturgics at the Web site of the (OCA) Holy Trinity Cathedral in San Francisco, Calif. [ excellent! ]
Texts from Paraklitiki, Triodion, Pentecostarion, Menaia, Euchologion and Horologion at the (Ecum. Patr.) Anastasis Web site
S. V. Bulgakov, "Handbook for Church Servers" at the Web site of the (OCA) Church of St. Catherine the Great Martyr in-the-Fields, Moscow (sic!)
Liturgical Resources for Clergy and Cantors at the Web site of (Antiochian?) St. Raphael Clergy Brotherhood of the Southwest Region and Mississippi Valley Deanery
Orthodox Document Library at the Web site of the Protection of the Mother of God Church in Rochester, NY
Concepts in Orthodoxy at the Web site of the (OCA) Resurrection Cathedral in Vancouver, BC, Canada (in Russian)
Survival Tips to Byzantine Church Life and more from (Ukr.) St. Elias Church, Toronto, ON
«Orthodox America» on Bows and Prostrations
pravoslavie.org [ «A Catalog of holdings of Orthodox Libraries on the Internet» (in Russian) ]
Liturgical Texts Project at St. Hilarion Orthodox Monastery, Austin, TX [ excellent! ]
The Web site Lungro Splendori Orientali of the Eparchy of Lungro hosts (under the link to "Il Rito Bizantino-Greco") essays on the liturgy in use in the Italo-Greek-Albanian Byzantine Catholic eparchies of Lungro (Calabria) and Piani degli Albanesi (Sicily), and in the Exarchic Monastery of Grottaferrata
Excerpts from Archbishop Joseph Raya's book Passage to Heaven: An Appreciation of the Divine Liturgy (Melkite).
The Ecumenical Patriarchate of Constantinople (Archdiocese of Amrica).
The Ukrainian Greek Catholic Church
Arimathea UK
Orthodox England / Orthodox Europe / Orthodox Holines
The Greek Orthodox Archdiocese of America (GOArch) (very hightly recommended)
Orthodox Christian News (mostly Antiochian).