There are 1 repository under multi-room topic.
Build a single or multi-room streamer for an existing audio device using a Raspberry Pi! Supports Bluetooth, Airplay and Spotify Connect
Virtual cables between any audio source and any speaker in your home
An app for Snips.ai with a fully controllable alarm clock :alarm_clock:
multi-client chat application using socket.io and nodejs. Features like multi-room and active rooms are there.