Kodi - Kodi is an award winning free and open source media player that got its start on the Xbox console.
Ampache - Web ( HTTP centralized ) based audio/video streaming application
Universal Media Server - Universal Media Server allows you to host your entire library of video, music, and pictures, and broadcast them conveniently to a wide variety of different devices.
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.
Emby - media server for personal streaming movies tv music photos in mobile app or browser for all devices android iOS windows phone appletv androidtv smarttv and dlna.
Navidrome - Music Server and Streamer compatible with Subsonic/Airsonic.