Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Yout - YouTube to Mp3 Converter
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
You-Get - Command-line utility to download media contents from the web
GNU Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...