DeviantArt - deviantART was created to entertain, inspire, and empower the artist in all of us.

Spotify - Map shows when two people play same song at same time

Doodle Addicts - An online art community for hand-drawn artists and illustrators.

SoundCloud - Enjoy music & follow favourite artists

okekai - A small community site where you can draw, animate, and chat through pictures all for free

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.