Christof Ressi is an Austrian composer, performer, arranger, and software developer. His work fluctuates between New Music, jazz, free improvisation, experimental electronics, and computer music and often features interactive live electronics and multimedia. Together with clarinet player Szilard Benes he performs under the name ressi/benes. He is a regular contributor to open-source projects such as Pure Data and SuperCollider and publishes his software under open-source licenses.