meSing.js : meSing.js is a JavaScript singing synthesis library that uses the Web Audio API's DSP capabilities in conjunction with the meSpeak.js speech synthesis...
SoundManager 2 : Using HTML5 and Flash, SoundManager 2 provides reliable cross-platform audio under a single JavaScript API.
dancer.js : dancer.js is a high-level audio API, usable with both Mozilla's Audio Data API and Webkit's Web Audio API with flash fallback, designed to make sweet ...
Flocking : Flocking is a JavaScript audio synthesis framework designed for artists and musicians who are building creative and experimental Web-based sound proje...
Essentia : Open-source library and tools for audio and music analysis, description and synthesis
An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.