Airfoil - This software is from the Rogue Amoeba company, built to run on Mac and Windows platforms. It’s an audio-based software that allows the computers sound to play over a network device. Read more about Airfoil.
Ampache - Web ( HTTP centralized ) based audio/video streaming application
AudioRelay - Listen to your PC audio, use your phone as a mic or stream audio from your phone
YouTube Music - YouTube Music is a streaming app primarily designed for Android and iOS mobile devices. The app lets individuals search for music from their favorite artists, enjoy playlists, and access 30 million musical tracks.
Stream What You Hear - Stream What You Hear.
Navidrome - Music Server and Streamer compatible with Subsonic/Airsonic.