Simkl - Simkl is a TV, anime, and movie tracker that keeps a history of all the shows and movies you watch in one, central location. It’s a mobile app, a website, Google Chrome extension to keep track of everything you watch and integrates with many TV apps
IMDb - Internet Movie Database
TheTVDB.com - An open TV series database that can be modified by anybody, and accessed vi an XML API.
TMDB - free movie database
Letterboxd - Letterboxd is a social site for sharing your taste in film, now in public beta.
AllMovie - AllMovie provides comprehensive movie info including reviews, ratings and biographies. Get recommendations for new movies to watch, rent, stream, or own.