HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
WebCopy - Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.
GNU Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...
Web ScrapBook - A browser extension that captures the web page faithfully with highly customizable configurations.
Cyotek WebCopy - Cyotek WebCopy is a free program for copying either full or partial website and save it to your local PC in order to view it in offline mode later on.
ScrapBook - ScrapBook is a Firefox extension, which helps you to save Web pages and manage the collection.