Mixxx is an open source, cross-platform digital DJing and live performance software that allows users to mix digital music files (MP3, OGG, WAV, FLAC, etc.) and digital music streaming services (SoundCloud, Beats Music, and others). It is designed to be easy to use and intuitive for amateur DJs, while also providing advanced features and customization for more experienced DJs. Mixxx features a two-deck interface, beat-matching, cue points, beat-looping, scratching, live recording, BPM detection, real-time effects, and more. It also supports a range of hardware controllers for added control and functionality.
The discontinued Pacemaker for Windows and Mac are no longer on the official website, but you can still download the latest version from Softonic.