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.
Samplebrain : A custom sample mashing app designed by Aphex Twin.
Samplebrain chops samples up into a 'brain' of interconnected small sections called blocks which a...
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...
Faust Programming Language : Faust (Functional Audio Stream) is a functional programming language for sound synthesis and audio processing with a strong focus on the design of syn...
sonicsquirrel.net is a platform dedicated to netlabels and netaudio.
All music you find here is released under open licenses (mainly Creative Commons).