Band.js : An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.
Paul's Extreme Sound Stretch : This is a program for stretching the audio. It is suitable only for extreme sound stretching of the audio (like 50x) and for applying special effects ...
Soundgrain : Soundgrain is a graphical interface where users can draw and edit trajectories to control granular sound synthesis. Soundgrain is written with Python/...
Essentia : Open-source library and tools for audio and music analysis, description and synthesis
meSing.js : meSing.js is a JavaScript singing synthesis library that uses the Web Audio API's DSP capabilities in conjunction with the meSpeak.js speech synthesis...
ixi audio is an experimental project concerned with the creation of digital musical instruments and environments for generative music.