OpenTheatre - Search movies, series, anime, subtitles, torrents and archives from open directories
Ampache - Web ( HTTP centralized ) based audio/video streaming application
iStream - Zero-configuration media-streaming to your SmartTV.
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.
VLC Streamer - Stream Videos from desktop to mobile
Navidrome - Music Server and Streamer compatible with Subsonic/Airsonic.