Surfly - Simple, Fast, and Secure Co-browsing
Audioship - Upload audio to YouTube or Facebook
Muzzle - Silence embarrassing notifications while screensharing
TunesToTube - What does TunesToTube do?
Mutify - Use a shortcut on any Mac device to mute your microphone
Tovid.io - Upload mp3 to YouTube: image and audio are rendered to video and published to your channel.