FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
DPLOY - An FTP/SFTP deployment tool built in node.js
GNU Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...
Cloudu - Secure German online storage and file sync service. Apps for all major platforms.
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.