This tracker shows the current location of ISS over our planet in any moment and displays its position on a map.
It also permits to predict when the ISS will be over your position in the next hours or days.
The source is full of reusable code (e.g. geolocation without GPS, decoding epoch time, obtain time zone,...)
For more infos on how to use discrete components look at my Github repo.
You need a Google API Key