www.carm.org
Its purpose is to equip Christians and refute error. CARM offers a concise, comprehensive explanation of the Christian faith along with logical analysis of errors in popular beliefs. It is easy to use, written for the layman, and covers a range of topics.

www.monergism.com
Its purpose is to equip Christians in the truth by making available the finest classic articles and resources in the hope that the church will embrace and recover the true Biblical doctrines of the historic faith.

www.biblegateway.com
A website for reading and researching Scripture online in the language or translation of your choice. It provides advanced tools to search the Bible by keywords or verse, as well as other tools to enhance your study of the Bible.

www.rzim.org
A website for Ravi Zacharias' ministry that powerfully mixes biblical teaching and Christian apologetics.

www.probe.org

www.desiringgod.org/ResourceLibrary/TopicIndex/93_Evidence_for_the_Faith/
Resources and sermons that point to evidence for Christianity from John Piper.