SpotiDJ

Wow, over 15 million tracks, but what an earth are you going to listen to? No worries, other users have made the perfect playlists to discover and rediscover the finest music.

Spotify has inspired dozens of webdevelopers to set up sites for sharing playlists. Here is a list of recommended sites :

ShareMyPlaylists The biggest playlist-community by far. Registered users can create a profile and start a blog to tell all abut their favorite music sharemyplaylists.com
ListenSpotify A great collection of playlists and and instant search for songs tracks and albums listenspotify
Spotify House Music Electronic music playlists including house, chillout, lounge, progressive, D&B, Dub step, Acid Jazz, minimal and etc. www.housesongs.co.uk
Specifyspot Vast collection of playlists and when you add playlists, you can get them to show the songs and album cover art. specifyspot
Spotylist Plain and simpel. Click and play. Easy upload, simple click-to-vote. spotylist.com

For an overview of all playlist sites check: pansentient.com/spotify-resources/

Found a site that should be listed? Contact me.