A lot of free software is rubbish, but this one is not. Very useful for webmasters with a number of sites or portals. It’s free, but it’s a fairly big download 35 MB.

httPulse is a number of free webmaster tools in one that will confidentially store your sites’ login info, monitor all your indexed web pages for unlimited sites,
including a free reminder function you can use to track any number of things.