A web-based download interface (and another), an app-based download interface (and another) (and another) (and another) , a web-based list of servers (and another) (and another) (and another), and an app-based list of servers.
Is this getting tedious yet? There are lots of others as well, of variable quality, that aren't included. Set your password, it's our only hope...
..Too late, Apple disabled sharing outside the subnet (2003-05-27).