This website has excellent articles on comparative religion, especially comparing far eastern religions to Christianity.
This website, founded by Andy Wrasman, explores comparative religion on the basis that truth is objective and there is no way that contradictory beliefs in different worldviews can all be heralded as true.
a site with hundreds of testimonies of conversion to Christianity of people from various backgrounds and religions.
This is a great website for comparing the beliefs of numerous belief systems. They may not promote a belief in the gifts of the Holy Spirit as we do (1 Corinthians 12), however, they are loving and devoted believers who are passionate about helping others find the Lord.