Wavacity : A free and open source audio editor for the web derived from Audacity
librosa : librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.
Freesound : Freesound is a collaborative database of Creative Commons Licensed sounds. Browse, download and share sounds.
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...