Play.ht (for Medium) is a Free Chrome Extension to Listen to any article on Medium as an Audio Narration.
Listle lets people save time and enjoy content on-the-go. Instead of sitting in front of your computer reading your favorite blogs, you can listen to them while you commute, run or cook. All audio articles on Listle are read by humans.
Turn your reading list into a podcast! - It's like Pocket but for listening.
With Twodio you can send audio tweets. Just record your voice or any sound and send it. Your followers will hear it in their Twitter feeds.