librosa : librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.
Tone.js : Tone.js is a Web Audio framework for creating interactive music in the browser. The architecture of Tone.js aims to be familiar to both musicians and ...
Essentia : Open-source library and tools for audio and music analysis, description and synthesis
Opentape : Opentape is a free, open-source package that lets you make and host your own mixtapes on the web.
Upload songs (via web or FTP), reorder, rename, cust...
SoundCloud : SoundCloud lets you move music fast & easy. The platform takes the daily hassle out of receiving, sending & distributing music for artists, record lab...
A place to put your favorite song of the moment & hear great music, handpicked every day by friends.