Polyvore - Polyvore is a free to use Shopping application that makes it fun and easy to style outfits, shop for clothes you love, buy the best deals and discover new fashion and trend.
Gnoosic - Even if you don't know what you are looking for - gnod will find it.
Shoplook Canvas - Tool for creating fashion looks
Musicroamer - A visual Pandora for discovering new music
URSTYLE - A website very similar to Polyvore in terms of looks and functionality.
TasteDive - TasteDive recommends similar music (musicians, bands), movies, TV shows, books, authors and games, based on what you like.