A free and open source audio editor for the web derived from Audacity

librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.

A free, open-source, cross-platform intermedia sequencer for precise and flexible scripting of interactive scenarios.
Control and score any OSC-compliant software or hardware: Max/MSP, PureData, openFrameworks, Processing…

Archive of an era's sounds

Sema is a playground where you can rapidly prototype live coding mini-languages for signal synthesis, machine learning and machine listening.

Sema aims to provide an online integrated environment for designing both abstract high-level languages and more powerful low-level languages.

Estuary is a platform for collaboration and learning through live coding. It enables you to create sound, music, and visuals in a web browser. Key features include:

built-in tutorials and reference materials
a growing collection of different interfaces and live coding languages
support for networked ensembles (whether in the same room or distributed around the world)
text localization to an expanding set of natural languages
visual customization via themes (described by CSS)