Wavacity : A free and open source audio editor for the web derived from Audacity
Freesound : Freesound is a collaborative database of Creative Commons Licensed sounds. Browse, download and share sounds.
librosa : librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.
Orchestra toolbox : Orchestra is an open-source for live music performances in metaverse environments. Orchestra includes components for live performances in A-Frame/NAF-...