pyo : pyo is a Python module written in C to help digital signal processing script creation.
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
Band.js : An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.
Punctual : Punctual is a language for live coding audio and visuals. It allows you to build and change networks of signal processors (oscillators, filters, etc) ...