AUDACITY

:: Audacity is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems

CACOPHONY

:: Cacophony is a powerful yet easy-to-use audio editing application available exclusively for the Mac OS X platform. It was originally designed as a university project in 2002, and since then has been developed into one of the leading programs of its type.

CHUCK

:: ChucK is a new (and developing) audio programming language for real-time synthesis, composition, performance, and now, analysis - fully supported on MacOS X, Windows, and Linux.

CLAM

:: CLAM es un framework totalmente equipado para hacer investigación y desarrollo de aplicaciones en el Dominio del Audio y la Música. Ofrece un modelo conceptual y unas herramientas para el análisis, la síntesis y el procesamiento de señales de audio.

IXI

:: ixi audio is an experimental project concerned with the creation of digital musical instruments and environments for generative music. We are interested in the computer as a workshop for building non-conventional tools for musicians, i.e. not trying to imitate or copy the tools that we know from the world of acoustic instruments or studio technology.

pd : PURE DATA

:: PD (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical processing.

SUPERCOLLIDER

:: SuperCollider is an environment and programming language for real time audio synthesis and algorithmic composition. It provides an interpreted object-oriented language which functions as a network client to a state of the art, realtime sound synthesis server.