SonoBus : SonoBus is an easy to use application for streaming high-quality, low-latency peer-to-peer audio between devices over the internet or a local network....
Borderlands : The instrument may be performed by creating and destroying new clouds and dynamically moving them around the landscape. The landscape itself may also ...
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...
sfxr : A tool to quickly generate 8bit/16 bit-soud effects!
ixi software : ixi audio is an experimental project concerned with the creation of digital musical instruments and environments for generative music.
VST Plugins Free - Virtual instruments and effects