muted.io - A magical collection of interactive music theory tools & visual reference pages for musicians and music producers
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Scale Heaven - Browse and play any scale/chord, chord progression.
Rakarrack - Rakarrack is a richly featured multi-effects processor emulating a guitar effects pedalboard.
Chordify - Chordify turns any music or song (YouTube, Deezer, SoundCloud, MP3) into chords.
ToneLib GFX - The perfect custom tone with a complete guitar studio in your computer