Impro-Visor is a music notation program designed to help jazz musicians compose and hear solos similar to ones that might be improvised.




The best free alternative to Band-in-a-Box is Impro-Visor, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Band-in-a-Box and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Band-in-a-Box are ChordPulse, MMA, JJazzLab and Avid Sibelius.
Impro-Visor is a music notation program designed to help jazz musicians compose and hear solos similar to ones that might be improvised.




ChordPulse is a handy backing band software for music practice, inspiration, improvisation, and pure fun with music. Play and sing along with ChordPulse. Use it as a full accompaniment, a drum machine with bass, a metronome with chords, and more.

“MMA—Musical MIDI Accompaniment” is an accompaniment generator. It creates MIDI tracks for a soloist to perform over from a user supplied file containing chords and MMA directives.

JJazzLab is a free Midi-based application which automatically generates backing tracks (a musical accompaniment) for any song. It’s a jam buddy to have fun improvising, learn new stuff or just practice your instrument. It’s also a great tool for teachers.

Professional music notation software for Windows and macOS featuring intuitive, task-based score creation, MIDI and onscreen input, up to 16 staves, guitar tab conversion, Magnetic Layout, dynamic parts updates, text and lyric support, scanning tools, and expressive playback.




Rosegarden is a well-rounded audio and MIDI sequencer, score editor, and general-purpose music composition and editing environment.







Frescobaldi is a LilyPond sheet music text editor. It aims to be powerful, yet lightweight and easy to use. Frescobaldi is Free Software, freely available under the General Public License.




GNU Denemo is a music notation editor that lets you rapidly enter notation for typesetting via the LilyPond music engraver. You can compose, transcribe, arrange, listen to the music and much more.



Noteflight is an amazing online notation editor. On the free version you get 10+ instruments to choose from, lots of musical symbols and more. On the payed version (Cresendo) you get lots more instruments, guitar tab and sharing options. Best way to wite music on the web.



alphaTab is a cross platform music notation and guitar tablature rendering library. You can use alphaTab within your own website or application to load music sheets from files like Guitar Pro or use the built in markup named alphaTex.
better user interface. many similar facilities to BIAB.