Live earthquakes, ISS position, weather, moon phase, and true star visibility. No key.
Free
One server, in research. Live earthquakes, ISS position, weather, moon phase, and true star visibility. No key.
Research
Live earthquakes, ISS position, weather, moon phase, and true star visibility. No key.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.