06/01/2009

• Band.js : An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.
• ixi software : ixi audio is an experimental project concerned with the creation of digital musical instruments and environments for generative music.
• librosa : librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.
• Essentia : Open-source library and tools for audio and music analysis, description and synthesis
• Audiotool : Audiotool is a powerful online music production studio right in your browser.