• Weekend Application
• Apologetics Tracts: http://www.catholic.com/quickquestions and http://www.catholic.com/tracts. Sharing answers when your friend has questions.
• http://www.catholicscomehome.org/  Aid to help others with their questions about the Catholic Faith, and to strengthen your own faith. 
• http://www.catholic.com/  Website for Catholic Answers.  Resources for apologetics, free tracts and videos, forum, "Ask an Apologist", voter guide, etc.  Answers to your questions about what the church teaches.
• www.dynamiccatholic.com/  Associated with Matthew Kelly. Meeting people where they are - leading them where God calls them to be. Offers free and cheap copies of book. Right now offering a free copy of "Rediscovering Catholicism" by Matthew Kelly.

Online Resources (for Catholic Materials):

www.catholiccompany.com  Discounted Catholic books and decorations

www.catholicchild.com  Gifts for Catholic children

www.ascensionpress.com  Especially good for parish studies

www.Autom.com  Discount Catholic products