JackTrip is a multi-machine audio system used for network music performance over the Internet.
It supports any number of channels (as many as the computer/network can handle) of bidirectional, high quality, uncompressed audio signal streaming.
It runs on several platforms, such as Linux, macOS, Windows or FreeBSD. You can use it between any combination of machines e.g., one end using Linux can connect to another using macOS.
Further information and instructions are available on https://jacktrip.github.io/jacktrip/.