Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
GoMovies - Watch Top Movies Online For Free.
Metastream - Watch streaming media with friends
FMovies - FMovies aka FMovies.
StreamParty - StreamParty is a watch communiry, that allows you to watch video streams in sync with the people you care about, on multiple services.
MovieFlixter - In case you are looking for a website from where you can watch your favorite movies without going for any registration or account creation process then we have a website named MovieFlixter that will allow you to watch movies for free.