Flickonic - A spoiler-free space to suit your entertainment needs
Trakt.tv - Automatically track TV shows & movies you're watching.
Flyx - Discover what to watch and where to watch movies & shows
TV Time - TVShow Time is the place to track and watch your favorite TV shows and movies
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
TeeVee - Your TV show guru - track what you watch