| 10 Reasons to Believe | | Lists and explains "10 reasons to believe" for various aspects of Christian doctrine. |
| A Christian Thinktank | | Resources primarily aimed at those seeking a more sophisticated understanding of theological issues. Includes a "Hallway of Questions," extended topical studies, philosophical explorations, and thoughts on the Christian experience. |
| Ain't This Important? | | Compares Christianity to other religions and argues for the validity of the Bible through science, prophecy, and miracle claims in the Bible and in modern times. |
| Aletheuo | | Essays on miscellaneous topics, recommended resources, and favorite quotes. |
| An Answer Ministries | | Online courses, research library of links to online resources, and evidence for the reliability of the Bible. |
| Answers in Action | | The ministry of Bob and Gretchen Passantino. Searchable articles on a variety of topics, book reviews, links, and information on classes in the southern California area. |
| Apologetics Information Ministry | | Apologetics and research ministry founded by Craig Hawkins. Features information on radio broadcasts and resources including outlines, papers, and bibliographies on various topics. |
| Apologetics Press | | Articles, audio lectures, documents, e-books, and FAQs defending Christianity. Site also features a store and seminar schedules. |
| Apologetics.org | | Site sponsored by the C S Lewis Society and the Trinity College of Florida and including articles, resources and bookstore aiming to cover issues such as Darwinism and the reliability of Scripture from a Biblical perspective. |
| Apologia Report | | Paid weekly apologetics reports as well as free services: a quarterly newsletter, information referral hotline, and moderated e-mail discussion list. |
| Atlanta Christian Apologetics Project | | Articles on science, The Way International, and miscellaneous topics; downloadable document on several different biblical issues; and answers to the top five questions people ask about the Bible. Also includes recommended resources and links. |
| Bede's Library | | Resources on philosophy, science, and history from a physics graduate. Articles, book reviews, and annotated links. |
| Berean Publishers | | Concerned primarily with salvation issues. Printable articles, Bible studies, testimonials, information on a wide variety of Christian issues, and an online book. |
| Branch of David | | Features articles and other resources that focus on proving that Jesus is the Messiah of the Jewish scriptures. Also book reviews and information on online apologetics discussions. |
| CADRE | | Summaries and links to articles offering an apologetical defense of the Christian faith. |
| Casey's Critical Thinking | | News, links, and articles focusing on the existence of God, abortion, and the creation/evolution controversy. |
| Changed by Grace | | Gives a list of beliefs of the authors, some articles about salvation and hell, and audio files of a song and a sermon. |
| Christian Answers Network | | Answers to questions about life, faith, creation, worldviews, and contemporary issues. Movie, television, game, and book reviews; children's features, games. | |
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