NeoDownloader - As you know, there is a lot of websites with a lot of pictures, music and movies.
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Vov Picture Downloader - Download pictures from websites.
GNU Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...
Persepolis Download Manager - Persepolis Download Manager is a GUI for aria2.
WebCopy - Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.