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.
meSpeak.js : meSpeak.js (modulary enhanced speak.js) is a 100% client-side JavaScript text-to-speech library
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...
howler.js is an audio library for the modern web. It defaults to Web Audio API and falls back to HTML5 Audio.