Canons of the Othodox Church
Code of Canon Law
Early Christianity FlowchartEarly Christian Writings
The Lost Gospel of Judas
Society for the Study of Early Christianity
Center for the Study of Early ChristianityEarly Christian GlossaryEarly Christianity and History
Timeline and critical commentary on some Gospel Accounts.Patheos
Blog. See for example Women in Early Christianity
or Was Jesus Divine?100 Key Events in Church HistoryEarly Christianity and World Cultures :Text and Resources
This site is good for links to sources both historical and contemporary.
Early Christianity and Today
Rowan Williams. Video.Virtual Religion Index
This site is useful for sources;a few links don't work.Internet Guide to Religion
There are about 78 links here covering organizations, journals, sources, etc. There is no arrangement so look carefully.
Two Assumptions about Early Christianity
This is a critical essay by a religious scholar, James Tabor.
Internet Ancient History Sourcebook: Christian Origins
Good for sources. Pay attention to the section, Source Problems, as you will find links to The Jesus Seminar and the Development of the Canon.
Religions of the Ancient Mediterranean
PodCasts of a book by Phil Harland.
Religion and Ethics
This site is good for blogs but also lectures by Rowan Williams; for example, Did Early Christianity Betray Jesus?
Internet Resources for the Study of Judaism and Christianity
This is an important source especially for source materials but it covers other topics as well such as language, archaeology and papryology.