Fetch

fetch is used to ....wait for it...fetch files from a URL. The man page will give you all the details you won't want to know about if you don't need to do weird scripting stuff with fetch, but there's a few that might be good to know off the bat:

-a retry after soft failures
-r restart previously interrupted transfer
-F force 
-m mirror -- if the same file (with same size) already exists, don't fetch it
-p passive FTP
-d direct connect; ignore proxy even if configured

If you're coming to BSD from the land of Linux, fetch is very similar to wget.