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.
Discogs is a crowdsourced music database and marketplace. Discover music, buy and sell music with collectors in the Marketplace in all physical formats.
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.
Even if you don't know what you are looking for - gnod will find it. Gnod is a self-adapting system that learns about the outer world by asking its visitors what they like and what they don't like. In this instance of gnod all is about music. Gnod is kind of a search engi.
Mixshake is set to change the way music lovers listen to and experience music. Mixshake is completely free of ads or interruptions and offers an easy to use, yet, powerful streaming music player that puts the user in control of their experience.
Every Noise at Once is essentially a music categorization service. It uses artificial intelligence to analyze data from Spotify to provide a scatter plot of music arranged by genre. Genres are easily explored by simply clicking to start playing music from the selected genre...