Early Christian Writings - Information and translations for the New Testament, Apocrypha, Gnostics, Church Fathers, Gnostic Gospels, Pseudepigrapha Epistles, Apocryphal Acts, and documents of early Christianity like the Gospel of St. Thomas.
Early Church.org.uk - Resource for students of early Church history. Includes articles, detailed bibliographies, and images of church fathers.
Egeria: Translation - Egeria's Description of the Liturgical Year in Jerusalem: Translation
Fathers of the Church - An extensive compilation of councils, synods, canons, and writings of the Fathers.
Gnostic Society Library - A collection of materials dealing with Gnosis and Gnosticism, both ancient and modern. Includes the Nag Hammadi Library.
Jewish Roots of Eastern Christian Mysticism - Research seminar investigates the influence of Jewish pseudepigrapha, Markabah and Hekhaloth writings and Enochic tradition on the eastern Christian texts.
Noncanonical Homepage - English translations for acts, gospels, epistles, pseudepigrapha, and other apocrypha of the Old and New Testament.
St. Pachomius Library - Virtual encyclopedia of Orthodox Christianity. Emphasis on the early Church. Articles on important writers. Their works available online. Links.