Looking for a place to get cool Facebook apps for free.
hostFB is a great place for you to get Free Facebook Apps and host your iFrame tab application for $0.
Facebook reently shut down it's app directory in favor of a search based approach. Read more about it here. The simplest approach now is to use Facebook's own search or do a general Google search.
You can also use a search engine like Quixey to search for apps.
You should also do a search for "free facebook apps" in your search engine of choice.