"If you want to be notified when and how a Web site has changed, you can turn to either netstiff or urlwatch to keep and eye on things for you. Both of these tools monitor Web sites for changes and allow you to see a diff-like output of exactly what has changed. You can also use netstiff to monitor FTP sites for changes.
"I couldn't find any packages of netstiff or urlwatch for mainstream Linux distributions, though there is a .deb file available through netstiff's freshmeat page..."
