Mixxx - The most powerful free DJ software in the world.
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
VirtualDJ - Virtual DJ Software - MP3 and Video mix software for DJs
Serato DJ - Serato DJ is award winning, digital DJing software used by professionals across the globe.
AmpliTube - Guitar Amp & FX modeling plug-in • Amp, Stomp, Cabinet + Mic, Rack FX modeling
Pacemaker Editor - [You can still download last version of Pacemaker for Windows and Mac from Softonic: