Now that we know how packages work, we’ll be able to use one of the most important features packages provide: HTTP networking, as we’ll see in the next chapter.
https://pub.dartlang.org/flutter
https://pub.dartlang.org/packages/battery
https://pub.dartlang.org/packages/connectivity
https://en.wikipedia.org/wiki/BSD_licenses
https://choosealicense.com/licenses/
https://github.com/google/flutter-desktop-embedding