But sanctify the Lord Christ in your hearts, being ready always to satisfy every one that asketh you a reason of that hope which is in you. (1Pet.3:15)

Catholic Answers
Catholic Apologetics, Catholic Evangelization, Catholic Teachings, Catholic Radio, Catholic Publishing, Catholic Truth

Catholic Apologetics Network
The Catholic Apologetics Network (CAN) is a group of lay Catholics in the Pittsburgh, PA area dedicated to the preservation and spread of the Catholic Faith.

Catholic Faith and Reason
Catholic Faith and Reason is an association of lay Catholics, faithful to the Holy Father and the Magisterium (teaching authority) of the Catholic Church, and dedicated to evangelization and apologetics

Coming Home Network
The Coming Home Network exists to provide fellowship, encouragement and support for Protestant pastors and laymen who are somewhere along the journey or have already been received into the Catholic Church.

Defenders of the Catholic Faith
Defenders of the Catholic Faith is a web venture of Steve Ray, a convert from evangelical Protestantism and the author of Crossing the Tiber, Upon This Rock, and other books.

In Defense of the Roman Catholic Church
The site was developed mainly for non-Catholic Christians, but is also for Catholics who want to explain their faith to Protestants and non-Christians.