4Marks.com is a Catholic social site with a very friendly community, and almost a professional veneer (though it is not like LinkedIn, which is almost exclusively professional). Indeed, I have found 4Marks an excellent place to interact with Catholic authors and musical artists whose works I might sell through From the Abbey Catholic Books & [...]

Catholic Answers hosts what is probably the largest and most well-known online Catholic community. As an apologetics apostolate, Catholic Answers is a trusted source of truth. Unfortunately, the trusted personalities of the Catholic Answers apologetics team has little to do with the Catholic Answers forums. On the positive side, these forums are full of information. [...]