The best open source alternative to Guitar Pro is MuseScore Studio. If that doesn't suit you, our users have ranked more than 50 alternatives to Guitar Pro and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Guitar Pro are TuxGuitar, Rosegarden, Flat.io and Impro-Visor.
Compose, arrange, and share music using free, open-source software for Windows, Mac, and Linux with integrated playback, fast note entry, MIDI, MusicXML, PDF support, multilingual UI, and direct connection to an online sheet music community for sharing scores.
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Argentina
Rosegarden is a well-rounded audio and MIDI sequencer, score editor, and general-purpose music composition and editing environment.
Online music score editor enabling real-time collaboration and editing in your web browser, supporting MusicXML, MIDI, PDF, MP3, WAV, percussion notation, history tracking, Google Hangouts video, metronome tools, and cross-device access for composers and students.
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Impro-Visor is a music notation program designed to help jazz musicians compose and hear solos similar to ones that might be improvised.
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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.
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.
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.
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.
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Songwrite 3 is a music score and songbook editor. This software is especially designed for musicians who do not master solfege (like me!) and to Linuxian musicians. Songwrite 3 can edit staffs, but also tablatures (for guitar, bass, banjo, lyre, diatonic accordion,...
FranceEU
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.
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