Audioship - Upload audio to YouTube or Facebook
Tovid.io - Upload mp3 to YouTube: image and audio are rendered to video and published to your channel.
Playlistor - Convert Apple Music playlists to Spotify and vice versa
TunesToTube - What does TunesToTube do?
Spext - Convert your speech, podcasts and videos to text.
Music2Tube - Create awesome videos for your beats or songs and upload them directly to YouTube. Render multiple videos in different formats within seconds without re-rendering your audio. Music2Tube respects your production quality.