HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Domainer - Manage All Your Domains and Websites
GNU Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...
cliget - Download files using curl or wget.
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
Folx - Folx is a simple yet powerful download manager and torrent client for Mac OS X.