Heaps - Tinder with your friends. Party in a group.
Playmoss - Create playlists from YouTube, Vimeo and SoundCloud
Double - Tinder for double dates
podsync - Simple and free service that lets you listen to any YouTube or Vimeo channels, playlists or user videos in podcast format
Radiate - It's not Tinder for festivals. A new way to meet people.
Audioship - Upload audio to YouTube or Facebook