It's not open source or free, but Roon provides multi-zone synchronized playback and has excellent Linux support (including x64 and arm easy install scripts). S

It's not open source or free, but Roon provides multi-zone synchronized playback and has excellent Linux support (including x64 and arm easy install scripts). See: http://roonlabs.com http://roonlabs.com https://help.roonlabs.com/portal/en/kb/articles/linux-install https://help.roonlabs.com/portal/en/kb/articles/linux-instal... Many Roon users use Raspberry Pi's as audio "bridge" devices for their various audio setups around the house. There's even dedicated RPi distros that offer Roon packages: https://ropieee.org https://ropieee.org (semi-open source) https://dietpi.com https://dietpi.com (GPL) You can read more about how Roon handles playback clock sync using its RAAT protocol here: https://community.roonlabs.com/t/raat-and-clock-ownership/6915/ https://community.roonlabs.com/t/raat-and-clock-ownership/69... Disclaimer: I work at Roon Labs LLC.