Super Sound - Super Sound is a resourceful audio and music editor.
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
GNUitar - GNUitar is guitar effects software that allows you to use your PC as guitar processor.
Audio Video Editor and Mixer - Audio Video Editor and Mixer is a tool that helps you add changes to your video and audio files.
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.