IMDb, Letterboxd, The Movie Database , Rotten Tomatoes, Trakt.tv, Simkl, Movieverse, Listal, SeriesGuide, Metacritic, Criticker, TheTVDB.com, Filmweb, Fandango, Kids-In-Mind, MovieLens, TerminalMdB, Kinu App, ViewerReviews, Trailer Gods, Moviepre are some alternatives to MovieTag.