Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Tinkersynth - Create and purchase unique generative art
WaveShop - Open source audio editor
ArtSnacks - Birchbox for unique, high-quality art supplies
TwistedWave - TwistedWave is one of the unique audio editors that allow you to edit your music file online without any installation.
Taggroo - Discover street art around you