music21 Alternatives

    music21 is described as 'Music21 is a Python-based toolkit for computer-aided musicology' and is an app in the Audio & Music category. There are more than 25 alternatives to music21 for a variety of platforms, including Windows, Mac, Linux, iPad and BSD. The best alternative is MuseScore, which is both free and Open Source. Other great apps like music21 are TuxGuitar (Free, Open Source), Guitar Pro (Paid), OpenMPT (Free, Open Source) and Rosegarden (Free, Open Source).

    This page was last updated Sep 22, 2021

      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      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.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      Aria Maestosa is an open-source (GPL) midi tracker/editor. It lets you compose, edit and play midi files with a few clicks in a user-friendly interface offering keyboard, guitar, drum and controller views.


    1. Finale is proprietary scorewriting software developed by MakeMusic, Inc. It displays music primarily in music notation and allows for multiple tracks and very specific tweaking of instrument sounds for each track.
      • FreeOpen Source
      • Linux
      QAbc is a minimal but useful GUI for ABC music composition. This program allow to write music in the ABC syntax and play, preview and print the sheet music.
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    2. Dispatch re-typing of sheet music to a nuisance of the past! Let capella-scan transform your sheet music quickly into a ringing score that is ready for editing and printing. capella-scan has put an end to the laborious task of typing out notes.


    3. 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.
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    4. NoteWorthy Composer is a graphical score editor intended for the creation of sheet music, but it can also import and export MIDI and Karaoke files and can export graphical WMFs. The user interface works either from the keyboard or the mouse.
      • FreeOpen Source
      • Mac
      • Windows
      EasyABC allows you to edit and play abc files. It supports conversion from MusicXML and MIDI to ABC. The latter uses a custom implementation (midi2abc is not used) in order to produce very readable ABC output. Direct midi input is supported for people with a midi keyboard.
    5. NtEd is a GTK+ score editor. It intends to be really WYSIWYG: what you see on the screen is exactly what you get on printer output.
    6. Encore is the standard in professional music notation. Its powerful transcribing and editing capabilities help musicians of all levels get their ideas into print.
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