alphaTab is a cross platform music notation and guitar tablature rendering library.
Media Tags Reader (ID3, MP4, FLAC)
The Web Audio API, developed by the W3C Audio WG
Library to simplify the way you create and manipulate sounds with the Web Audio API.
web audio library for games
A Web Audio framework for making interactive music in the browser.
An audio effects library for Web Audio, made by www.dinahmoe.com
The HTML5 Audio Compatibility Layer