Ravi Zacharias International Ministries is a tremendous resource for study into Christian answers to questions that plague our culture; particularly the existential questions of meaning and suffering. This team travels the globe speaking to high ranking government officials as well as the destitute.
Answers in Genesis is staffed with highly respected theologians and PhD scientists from fields such as astrophysics, biology, geology, information theory, and many more. This is THE place to go for biblically accurate and scientifically sound research on the foundational topic of origins.
Impact Apologeticsis the website of the "Dean of Christian Apologetics" Dr. Norm Geisler. Dr. Geisler has provided the philosophical foundation for many of the world's top Christian apologists and continues to be on the cutting edge of the defense of the Christian faith in the arena of ideas.
Bethinking.org provides sources in both written and audio formats to inform seekers and equip Christians with the latest in Christian apologetic material from todays sharpest Christian minds from all around the world.
Stand to Reason is a very informative and timely resource for insight into current topics from a team of apologists lead by Greg Koukl. This is a great place to learn debate skills, logic, and overall strong principles of reason.
Probe Ministriesprovides relevant and well-researched materials on nearly every attack made against the Christian faith today. Many free resources including Power Point presentations and articles are available .
Biblical Training.org gives free access to lay and seminary level courses taught by some of the country's most sought after professors. Audio downloads, class notes, and online lectures .
Crossexaminedis the speaking ministry of Frank Turek and Alex McFarland that seeks to equip students, parents, & teachers with the antidote to hostile campus arguments and much, much more!