My understanding is that Fulcro is a frontend framework that also helps you build the communication between the browser and backend server: http://book.fulcrologic.com/#FullStack, http://book.fulcrologic.com/#_going_remote.

Of course, you can also use Fulcro to communicate with any sort of backend server, and still take advantage of Fulcro's normalized client-side database: http://book.fulcrologic.com/#Networking, http://book.fulcrologic.com/#_the_secret_sauce_normalizing_t...