(While I always try to use "free stuff," some of the products and services are not free, and I may receive monetary compensation if your click turns into an order)
Geneabloggers is a network of genealogy bloggers. I especially enjoy the weekly "Newly discovered blogs" posts.
Find a Grave is a database of user submitted cemetery, burial info and grave stone photographs.
My Find a Grave profile
Check out my "Virtual Cemeteries"