FoxDot : FoxDot is an easy-to-use Python library that creates an interactive programming environment and talks to the powerful sound synthesis engine, called S...
Essentia : Open-source library and tools for audio and music analysis, description and synthesis
Overtone : Overtone is an open source audio environment designed to explore new musical ideas from synthesis and sampling to instrument building, live-coding and...
Audiotool : Audiotool is a powerful online music production studio right in your browser.
Glicol : make music with code. connect different nodes like a synth, sequencer or sampler.