1. Node airtunesnode.js AirTunes v2 implementation: stream wirelessly to Apple audio devices.
5. openairplayEnabling Airplay just like on Apple OSX on Ubuntu and possibly other non-apple OSes
6. AirPlayAuthSince tvOS 10.2 AppleTV is enforcing the "Device verification" for AirPlay, which could be manually enabled/disabled before. This library allows to pair with an AppleTV and can be used in any app supporting streaming/casting to an AppleTV.
7. AirPlayerAirPlayer is a .NET project for streaming photos, video and music to airplay devices.