Impro-Visor is an educational tool for creating and playing a lead sheet, with a particular orientation toward representing jazz solos. Developed by Harvey Mudd College - Computer Science Department
License: Open Source
Guitar Pro is a multitrack editor of guitar and bass tablature and musical scores, possessing a built-in MIDI-editor, a plotter of chords, a player, a metronome and other tools for guitarists and musicians. It has versions for Windows, Mac OS X and Linux . Developed by Arobas music
License: Commercial
Guitar Pro is a versatile tablature editor primarily for guitarists, offering extensive features for various instruments and a large community. In contrast, Impro-Visor specializes in jazz improvisation, providing real-time suggestions and practice tools, but is more limited in genre scope.