Able Player : Able Player is a fully accessible cross-browser media player. It uses the HTML5 or element for browsers that support them, and (optionally) the JW P...
Band.js : An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.
meSpeak.js : meSpeak.js (modulary enhanced speak.js) is a 100% client-side JavaScript text-to-speech library
pyo : pyo is a Python module written in C to help digital signal processing script creation.