- BibleGateway- a free service for reading and researching scripture online.
- Catholic Online- offers information and services to the Catholic community.
- Catholic.net- central directory and repository that reflects the Magisterium or authoritative teaching of the Catholic Church.
- CatholiCity- clearinghouse for Catholic information, interaction, prayer, and entertainment.
- Mass Times- provides mass times by city or ZIP, including non-English services for Catholic churches around the US.
- Catholic Encyclopedia- documentation of all things Catholic.
- Catholic Greetings.org- Share your Christian faith with beautiful, free Catholic e-cards!
- Catholic Relief Services- working to remove the causes of poverty, and promoting social justice.
- A Catholic Response- presenting the Truths of the Catholic Faith by simple means.
- Catholic World News- (CWNews) provides subscribers with national and world news with a focus on living the Faith in today's world.
- Catholic Charities- a social service ministry to enlighten, serve & empower those in material and spiritual poverty.