Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
ClubDJPro - ClubDJPro is the most responsive and simple-to-use DJ Software, for making heart pumping video and sound blend sessions.
GNUitar - GNUitar is guitar effects software that allows you to use your PC as guitar processor.
Mixxx - The most powerful free DJ software in the world.
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.
DJ Mixer Soft - DJ Mixer Professional is the best DJ mixing software for Mac and Windows, Support audio, karaoke and video mixing, automatic DJ mixing, one-click beat-matching, etc.