Audioship - Upload audio to YouTube or Facebook
Listening.io - Turn articles into audio and listen in your podcast app
Tovid.io - Upload mp3 to YouTube: image and audio are rendered to video and published to your channel.
ReadBit - Read wisely & save time with text-to-speech audiobook reader
TunesToTube - What does TunesToTube do?
article2audio - The next generation of text-to-speech focused on web content. It understands and enhances English articles and blog posts beyond just words.