Simon: your web site monitor - changes and if its up

For a while I've been looking for a simple tool to check if my NAS servers are up, and if certain internet pages have changes.


After some looking I found Simon from http://www.dejal.com/simon/. From the web site there is only a chargeable product, but, if you go through OSX App store there is a version which is free, though seems to handle only 5 checks. Does what I need though.


Here's what it looks like

To add something new to check / monitor, click the big "+" button, and then work through the tabs

This example shows me adding a monitor for the ExifTool web site so I know when to download a new version.