Changes Meter is for you if you need to check a Web page or a local file frequently, looking for changes. You know it's boring, error prone, and a real waste of precious time.
Several Web sites offer RSS feeds, but they do not necessarily cover the type of information you are looking for, and there aren't many tools to check local files.
Changes Meter does this exact job for you and it will notify you with a colorful, useful, and unobtrusive pie-chart icon on the menu bar.
Measures the loudness and the level of any Mac sound device.
It monitors and records all Internet and network activity on your Mac computers
Easy, hands-free way to tune your instruments.
This application shows the current CPU usage in a floating square meter.
Launch! Usage Meter displays usage statistics on the BigPond broadband network.