Roon labs Nucleus

Roon OS is the lightest, fastest and most reliable
operating system in its class. It is written from the ground up to run
Roon on Intel hardware and to deliver the best user experience of any
media server, at any price.
Roon supports playback of 768/24 PCM, DSD, MQA, and
Multichannel audio, with DSP features like upsampling, EQ, and room
correction. The Roon Ready streaming protocol supports the same levels
of performance with networked playback to more than 100 devices from
more than 30 partners.
You can now sell high performance networked audio with a distinctive user interface and rock solid daily reliability.
Roon breaks the walls between ecosystems by playing
audio over the network to any iOS, Android, Mac, PC, Sonos, AirPlay,
Devialet, KEF, Meridian, or Squeezebox streaming device, as well as more
than 100 Roon Ready devices.