Stremio, Kodi, Infuse, Plex, Popcorn Time, YTS.rs, Emby, Universal Media Server, Serviio, Video Hub App, Movies Anywhere, Ampache, PseudoTV, Freeonlinemovies.tv, Deflix, Plasma Bigscreen, Swiftfin, Veso, TRITON, Finamp, SRS, Macast, Madsonic, CineMovies, tvOS, Filmographer, Zappity are some alternatives to Jellyfin.