Spotify - Map shows when two people play same song at same time
article2audio - The next generation of text-to-speech focused on web content. It understands and enhances English articles and blog posts beyond just words.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Woord - Turn the Web into audio using realistic voices
SoundCloud - Enjoy music & follow favourite artists
Read2Me - Convert your website articles into podcasts