Founded in 1995, Craigslist is the largest classifieds in the world, despite only servicing the US. On Craigslist, users can browse a variety of sections, including jobs, housing, items for sales, items wanted, services for sale, services wanted, gigs, resumes, and discussions, where they can either look to buy or sell.

With an extremely broad range of items and services posted, Craigslist holds an interesting mix of leading categories, ranging from the expected with news and media, and electronics and technology, to the questionable including adult services, and credit lending.