This tool lets you visualize the number of visitors you have across all of your websites, from a single screen.
It is useful when you need to perform operations on your server, and would like to check whether people are connected at the moment.
Data from Google Analytics never passes through our servers. It goes directly from Google Analytics to your browser.
This tool is open source, dual-licensed under MIT and LGPL. You can find the source code of this app here.