Juan Antonio Arguelles Rius (November 2, 1978 – June 3, 2007), also known as Arguru (sometimes Argu), was a prolific music software programmer and electronic musician, producer and songwriter, responsible for such applications as NoiseTrekker and Directwave.
Co-founded the company discoDSP and was later hired by Image-Line and involved in the development of Deckadance and FL Studio 7.