Greasy Fork - A site for user scripts.
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Violentmonkey - Violentmonkey is a userscript manager to support running userscripts in web pages.
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
Userscripts - An open-source userscript editor for Safari.
GNU Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...