Momixa - Pick two songs and get the perfect mix
Press Hunt - Press Hunt saves you hundreds of hours by aggregating data on almost 400,000 journalists and reporters in one place, complete with their writing interests and contact info.
Music Suggestions Ninja - Enter an artist's name & find similar, lesser known artists
Anewstip - Find journalists by what they tweet
Boil the Frog - Create a seamless playlist between any two artists
pressfarm - Pressfarm helps entrepreneurs find journalists to write about their startups.