Avid Sibelius is described as 'Professional music notation software for Windows and macOS with intuitive tools for score creation, MIDI input, guitar tab conversion, and dynamic parts' and is a music production app in the audio & music category. There are more than 50 alternatives to Avid Sibelius for a variety of platforms, including Windows, Mac, Linux, iPad and iPhone apps. The best Avid Sibelius alternative is MuseScore Studio, which is both free and Open Source. Other great apps like Avid Sibelius are Guitar Pro, Dorico, LilyPond and Rosegarden.