Useful Links:
Antiochian Orthodox Christian Archdiocese of North America
Greek Orthodox Archdiocese of North America
The Orthodox Church in America
St. Anthony's Monastery
St. George Little Falls Teen SOYO
Focus North America
Orthodox Christian Fellowship
St. Vladimir's Seminary
St. Tikhon's Seminary

Byzantine Chant Resources:
Liturgica.com
Learn To Chant
The Divine Music Project