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.
ToneLib GFX - The perfect custom tone with a complete guitar studio in your computer
Add Audio to Video - Add Audio to Video empowers you to add custom audio tracks to your video files.
Rakarrack - Rakarrack is a richly featured multi-effects processor emulating a guitar effects pedalboard.