music21 is described as 'Music21 is a Python-based toolkit for computer-aided musicology. Applications of this toolkit include computational musicology, music informations, musical example extraction and generation, music notation editing and scripting, and a wide variety of approaches to composition, bo' and is a music production 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 Android apps. The best music21 alternative is MuseScore Studio, which is both free and Open Source. Other great apps like music21 are TuxGuitar, OpenMPT, Guitar Pro and Rosegarden.
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.
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.
DaCapo Editor is a free Open Source music sheet editor which allows to easily create nice looking partitions. It is available as a web application as well as a desktop application for Windows, MacOS and Linux.
Power Tab Editor is a free tablature authoring tool created by Brad Larsen for Windows. It is used to create guitar, bass and ukulele tablature scores, among many others. The current version uses the *.ptb file format.
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.
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. It supports up to 4 voices per staff, drum notes, 5 lyrics lines, N-Tuplets, context changes, repeats with alternatives, configurable music...
Melody Assistant is dedicated to music writing, printing and rendering. Easy to use, Melody Assistant offers a user-friendly interface and powerful capabilities. Now used by a very active community of thousands of people, it has become a favored tool for creating music.
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Harmony Assistant is an unbeatable software for computer-assisted music composition and editing.
MC Musiceditor is free/open source (GPLv2) music notation software (Windows). It has been developed with only one purpose: to make life of musicians easier when making scores. This results in a userfriendly editor which makes professional scores without requiring specific...
ABC, a text based music score manager-editor for free. You can copy, transpose or play these songs, import midi-music files, export to midi, to pdf, to web page or to any other printable format.
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