This OS belong to Linux. This is an OSthat is independent, so It is not based on any other system how could it be Ubuntu or Fedora. It is originally from USA. Use the following desktop environments: Kodi.
- LibreELEC you can use it on a miniPC like Raspberry Pi.
- This distro is used as a multimedia center for movies, series or music.
Architectures supported by LibreELEC:
armhf, armv7, x86_64
This operating system has a good user base so there will be more resources on forums and websites when developing or using it.