Launched online in 1990 and a subsidiary of Amazon.com since 1998, IMDb is the world's most popular and authoritative source for movie, TV and celebrity content, designed to help fans explore the world of movies and shows and decide what to watch.
trakt helps you keep a record of what TV shows and movies you are watching. Based on your favorites, trakt recommends additional shows and movies you'll enjoy!
It's completely user driven by people like you. TMDb is currently used by millions of people every month and with our and powerful API, also used by many popular media centers like Moovida, XBMC, Plex, MythTV and MediaPortal.
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.
Letterboxd lets you keep track of every film you’ve seen, so you can instantly recommend one the moment someone asks, or check reactions to a film you’ve just heard about. We’re a global community of film fans who live to discuss, rate and rank what we watch.
MovieLens helps you find non-commercial, personalized movie recommendations. Rate movies to build a custom taste profile, then MovieLens recommends other movies for you to watch.
The TCI is a measure of the similarity between two people's taste in films. The lower the TCI, the greater the tendency to agree on which movies ruled and which sucked.