üWave for Android
Note that while it uses Flutter, it's not cross platform. Only Android is supported.
At some point this will be posted to the F-Droid app store. Because we're using NewPipe, the Play Store is not an option :)
First install Flutter.
Then, clone the repository:
git clone https://github.com/u-wave/flutter.git u-wave-flutter cd u-wave-flutter
Connect your phone using USB debugging. Then you can run the app: