Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Metronomus - Powerful and beautiful online metronome
ToneLib GFX - The perfect custom tone with a complete guitar studio in your computer
AudioKit Hey Metronome - Visit the post for more.
Rakarrack - Rakarrack is a richly featured multi-effects processor emulating a guitar effects pedalboard.
Open Metronome - Open Metronome, a Free Open Source Metronome for Windows Mobile and Pocket PC.