TopMoviesLike - Top Movies Like is a free tool that helps you to find similar movies to any movie!
BooksLoom - There are more than half a million books published each year in the US alone.
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
Goodreads - See what your friends are reading.
TheTVDB.com - An open TV series database that can be modified by anybody, and accessed vi an XML API.
Riffle - Just good books and the readers who love them.