Opentape : Opentape is a free, open-source package that lets you make and host your own mixtapes on the web.
Upload songs (via web or FTP), reorder, rename, cust...
meSpeak.js : meSpeak.js (modulary enhanced speak.js) is a 100% client-side JavaScript text-to-speech library
Freesound : Freesound is a collaborative database of Creative Commons Licensed sounds. Browse, download and share sounds.