Poolsuite™ - The super-summer music player
Audioship - Upload audio to YouTube or Facebook
Tiny Mix - NPR Tiny Desk — mixed up, one song at a time.
Move to Apple Music - Convert your Spotify playlists for Apple Music
Magic Playlist - Get the playlist of your dreams based on a song
podsync - Simple and free service that lets you listen to any YouTube or Vimeo channels, playlists or user videos in podcast format