This menubar app allows you to conveniently keep track of private and public sensors from the Public Monitoring Project (http://narodmon.com). The data are displayed in the menu bar and in a separate pop-up window. If you log in, you can access your private favourites and sensors.
It is possible to add any number of monitoring devices by ID (you can look at the map).
Separately configurable sensor lists displayed in the menu bar and the pop-up window.
You can undock a pop-up window from the menu bar and place anywhere on the screen.
You can choose a compact data display format in the menu bar.
The application is completely free.