Move to Apple Music - Convert your Spotify playlists for Apple Music
Tovid.io - Upload mp3 to YouTube: image and audio are rendered to video and published to your channel.
Playlist Machinery - Tools that help you create & organize your Spotify playlists
TunesToTube - What does TunesToTube do?
Audioship - Upload audio to YouTube or Facebook
Upload.fm - Put your podcast on YouTube automatically