Marcin Sewastianowicz

Guitar Notes: Fretboard Games is a game that improves your guitar skills. This application was creat

Harmony Improviser is an advanced harmonic composition tool. It implements the rules of classical ha

Chromatic tuner suitable for tuning guitar, bass, violin and a whole range of other musical instrume

Harmony Improviser is an advanced harmonic composition tool. It implements the rules of classical ha