Kindrd is described as 'A brand new way to discover music, movies, books and places' and is a Social Network in the Social & Communications category. There are more than 10 alternatives to Kindrd, not only websites but also apps for a variety of platforms, including iPhone, Android, Mac and Windows. The best alternative is Last.fm, which is free. Other great sites and apps similar to Kindrd are Pandora (Freemium), TasteDive (Free), Letterboxd (Freemium) and MovieLens (Free).
Last.fm is a music community website that offers personalized internet radio, using a recommendation system called "Audioscrobbler" to build a detailed profile of users based on their music tastes and interests.
Pandora Radio is a free (ad-supported) internet radio founded in 2000. Using the Music Genome Project, over 400 attributes of songs are analyzed in order to personalize radio stations from music you like.
TasteDive (formerly TasteKid) is a recommendation engine for music, movies, authors and books. Just type in your favorite bands, artists, movie titles, book titles or authors, separated by commas, and TasteDive will suggest other things that you may enjoy.
Letterboxd is a social site for sharing your taste in film, now in public beta. Use it as a diary to record your opinion about films as you watch them, or just to keep track of films you’ve seen some time in the past. Rate, review and tag films as you add them.