A Tour of the Summa Theologica 

http://www.catholictheology.info/

Free Catholic books in English and Spanish

http://rorate-caeli.blogspot.com/2015/12/free-catholics-books-in-english-and.html

http://www.catholictreasury.info/library.php

Catechism of the Catholic Church

http://www.vatican.va/archive/ENG0015/_INDEX.HTM

Robert Barron

http://www.wordonfire.org/

https://www.youtube.com/user/wordonfirevideo

The Coming Home Network International

http://www.chnetwork.org/

Society of the Little Flower – Spreading devotion to St. Therese of Lisieux

http://www.littleflower.org/

EWTN – Global Catholic Network

http://www.ewtn.com.au/index.asp

EWTN Kids

http://www.ewtn.com/ewtnkids/index.asp

Catholic Answers

http://www.catholic.com/

Cradio – New Media. New Evangelisation 

http://cradio.org.au/