Cecilia : Cecilia is an audio signal processing environment aimed at sound designers. Cecilia mangles sound in ways unheard of. Cecilia lets you create your own...
Essentia : Open-source library and tools for audio and music analysis, description and synthesis
Borderlands : The instrument may be performed by creating and destroying new clouds and dynamically moving them around the landscape. The landscape itself may also ...
pyo : pyo is a Python module written in C to help digital signal processing script creation.
ixi software : ixi audio is an experimental project concerned with the creation of digital musical instruments and environments for generative music.
Soundgrain is a graphical interface where users can draw and edit trajectories to control granular sound synthesis. Soundgrain is written with Python/WxPython and uses Pyo as its audio engine.