Might not be perfectly up to date, but certainly a good starting place.
included servers:
- Airsonic
- Airsonic-advanced
- gonic
- Ampache
- Jellyfin
- Funkwhale
- Lightweight Music Server
- Logitech Media Server
- mStream
- Navidrome
- Plex
- Polaris
- Roon
included clients:
Their chart covers licensing and lists roon as closed source. I don’t think this is intended to be one of the “awesome” FOSS lists