chkwww is a console application you can use to check what Webserver software a particular site runs. It displays information about the Webservers version, official hostname and if the site supports resumable downloads.
Now with Pychkwww a port of chkw
Fget is a cross-platform command-line multi-threaded HTTP/HTTPS/FTP file downloader which is very close to multiget. It features downloading single but very large files in multiple threads at highest possible speed with minimal system resources.