jsmad : jsmad is a pure javascript MP3 decoder, based on libmad, with an ID3 decoder written from scratch.
jsfx : This is a javascript library (with frontend) for sound effect generation.
Wave.js : Audio visualizer library for javascript. Create dynamic animations that react to an audio file or audio stream.
Javascript Sound Kit : The Javascript Sound Kit is a wrapper around the ActionScript Sound Object, it makes it possible to use the Sound Object in Javascript the same way yo...
Band.js : An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.
meSpeak.js (modulary enhanced speak.js) is a 100% client-side JavaScript text-to-speech library