Pixly is personalized movie recommendation app, similar movie finder and social movie discovery platform. You can get very personalized movie recommendations.
IMDb - Internet Movie Database
A Good Movie to Watch - Highly-rated, little-known movie suggestions
WhatSong - Listen to Songs from the Latest Movies
StayIn - Answer a couple of questions and get a movie to watch
Watched.li - Ever forgot which episodes you've already watched?
TasteDive - TasteDive recommends similar music (musicians, bands), movies, TV shows, books, authors and games, based on what you like.