Mixxx is an open source DJ tool designed for both professional and amateur DJs alike. Mixxx allows DJs to mix music live with a clean, simple interface. Futhermore, Mixxx has a number of key features to help DJs in the mix: Beat estimation, parallel visual displays, and support for various DJ hardware controllers Windows XP and Vista, Linux and Mac OSx platform. Include the MP3, Ogg Vorbis and Wave extensions like standards. Is easy to use for novice and professional DJ’s, including live performances.