synchronised audio streaming

Question

What are the options to use 2 or more raspberry (any version) for multi-room synchronised audio streaming? Something like Google Chromecast Audio

I don't mean a full ready solution, any starting point will do :)

Answer 1

I just found an option that does just that with the pi:

https://github.com/badaix/snapcast

PS: marking this community, feel free to add other possibilities