DeviantArt - deviantART was created to entertain, inspire, and empower the artist in all of us.
DistroKid - Unlimited uploads to iTunes and more. Keep 80-100% of your royalties.
Spotify - Map shows when two people play same song at same time
SoundCloud - Enjoy music & follow favourite artists
Audius Music - Decentralized & open-source streaming platform controlled by artists, fans, & developers.
pixiv - pixiv is an illustration community service where you can post and enjoy creative work. A large variety of work is uploaded, and user-organized contests are frequently held as well.