Open Source Windows Music Composition Software

Music Composition Software for Windows

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Browse free open source Music Composition software and projects for Windows below. Use the toggles on the left to filter open source Music Composition software by OS, license, language, programming language, and project status.

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  • 1
    FL Studio

    FL Studio

    The best music production software

    FL Studio by Image-Line is a complete digital audio workstation (DAW) designed to turn your musical ideas into professional-quality tracks with ease. Trusted by world-renowned artists like Martin Garrix, Mustard, and Boi-1da, it’s built for producers of every genre — from EDM and hip-hop to pop and cinematic music. With an intuitive interface and powerful workflow, you can start creating in minutes while exploring endless possibilities as your skills grow. FL Studio comes packed with over 100 instruments and effects, a massive sound library, and world-class tools for composition, recording, and mastering. Its lifetime free updates ensure you’ll always have the latest features without extra cost. Whether on desktop or mobile, FL Studio delivers a fast, fun, and flexible production experience for beginners and pros alike.
    3.0 out of 5 stars 1 Review
    Downloads: 2,963 This Week
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  • 2
    Audiveris

    Audiveris

    Latest generation of Audiveris OMR engine

    Audiveris is a free, open-source optical music recognition application designed to convert printed sheet music into editable digital notation. It analyzes scanned scores and images using image processing, optical character recognition, and neural network techniques. The software identifies musical symbols such as notes, rests, clefs, beams, and time signatures. Its integrated editor allows users to review recognition results and manually correct transcription errors. Audiveris supports extensive musical scores containing hundreds of pages and can export recognized notation in MusicXML format. Its recognition settings can be adjusted to accommodate different score characteristics and image quality. Built with Java, it runs on Windows, macOS, and Linux and supports music preservation, editing, and digital publishing.
    Downloads: 86 This Week
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  • 3
    MuseScore

    MuseScore

    Free music notation & composition software

    MuseScore is a free and open-source music notation software designed for composers, arrangers, educators, and musicians of all levels. It allows users to write, edit, and print professional-quality sheet music with no limitations or subscription fees. MuseScore Studio supports a wide range of instruments and ensembles, from solo piano and guitar to full orchestras and choirs. The software is easy to learn while still offering powerful tools for advanced notation and score layout. With support for MIDI input and formats like MusicXML and MIDI, MuseScore integrates smoothly with other music software and workflows. Built by a global open-source community, MuseScore continues to evolve through active development and community contributions. Support MuseScore at http://musescore.org/en/donate
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    4.8 out of 5 stars 101 Reviews
    Downloads: 213 This Week
    Last Update:
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  • 4
    Psycle Modular Music Creation Studio
    Psycle is a Music tracker (like FastTracker 2 or Impulse Tracker) combined with plugin modularity. It supports its own plugin API, the VST2 plugin standard, and a tracker style sampler playback.
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    4.9 out of 5 stars 14 Reviews
    Downloads: 190 This Week
    Last Update:
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  • 5
    Impro-Visor

    Impro-Visor

    Leadsheet notation with auto-generated playback, improvisation advice

    Impro-Visor® is a music notation tool for producing monophonic lead sheets, specifically intended to help the improviser. Chord symbols are used to generate backing tracks automatically. Improvisation advice exists in the form of note coloration, database of licks, and automatic lick generation from grammars. Grammars can be learned automatically from transcriptions. Styles can be edited and created by the user. Other features include generation of roadmaps for understanding keys and idiomatic chord progressions, chord voicing keyboard, MIDI and MusicXML export. See http://www.cs.hmc.edu/~keller/jazz/improvisor for general information, including tutorials. Support and additional resources are through the user group https://groups.yahoo.com/neo/groups/impro-visor/info. The most recent source code, since summer of 2015, is housed here: https://github.com/Impro-Visor/Impro-Visor This started when SourceForge was down for over one week during an active development period.
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    4.9 out of 5 stars 28 Reviews
    Downloads: 108 This Week
    Last Update:
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  • 6
    Frescobaldi

    Frescobaldi

    LilyPond sheet music text editor

    Frescobaldi is a free and open source LilyPond sheet music text editor. Designed to be powerful yet lightweight and easy-to-use, Frescobaldi offers great functionality and a host of useful features such as music view with advanced two-way Point & Click, Midi capturing to enter music, a Snippet Manager and many more. Frescobaldi is named after Girolamo Frescobaldi (1583-1643), an Italian composer of keyboard music in the late Renaissance and early Baroque period.
    5.0 out of 5 stars 2 Reviews
    Downloads: 14 This Week
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  • 7
    Bespoke Synth

    Bespoke Synth

    Software modular synth

    Bespoke Synth is a free, open-source modular synthesizer and digital audio production environment designed for experimental music creation. It provides a visual workspace where users connect instruments, effects, sequencers, and modulation tools to build customized signal chains. Unlike traditional digital audio workstations, its flexible patching environment allows modules to be rearranged while audio continues playing. The software supports VST, VST3, and LV2 plugin hosting to expand its sound design capabilities. Musicians can integrate external MIDI and OSC controllers for interactive performance. Bespoke Synth also supports Python live coding for generating musical events and controlling parameters. Available for Windows, macOS, and Linux, it encourages creative experimentation with synthesis, sequencing, and live performance.
    Downloads: 8 This Week
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  • 8
    DarkAudacity

    DarkAudacity

    A customized version of Audacity

    A free sound editor, DarkAudacity is the well known Audacity sound editor now with a darker more modern theme - and a few small tweaks. The audio engine underneath is the same audio engine. The same code powers it. Like Audacity it is completely free. It's not a cut down trial evaluation version. You can record and play sounds, edit sounds, apply audio effects and save what you create for ringtones, podcasts and more. DarkAudacity is Open Source, free for you to download and use on your PC. Audacity and DarkAudacity come from a community effort. Many people have contributed to the audio code. Because they are Open Source, anyone is allowed to read and modify the source code. DarkAudacity is a variation on the Audacity software, made possible because Audacity is Open Source.
    5.0 out of 5 stars 2 Reviews
    Downloads: 52 This Week
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  • 9
    FamiStudio

    FamiStudio

    FamiStudio NES Music Editor

    FamiStudio is a free, open-source music editor designed for creating chiptune music for the Nintendo Entertainment System and Famicom. It combines a modern digital audio workstation interface with authentic 8-bit sound synthesis. Its piano roll editor allows musicians to compose melodies and arrangements without traditional tracker commands. Users can create custom instruments, modify sound envelopes, and incorporate DPCM samples into compositions. The software supports multiple NES audio expansion chips, enabling a wider variety of retro sound effects and musical textures. It includes MIDI input, compatibility with FamiTracker projects, and several audio and game-compatible export formats. Available for Windows, macOS, Linux, and Android, FamiStudio serves chiptune composers, retro game developers, and NES homebrew enthusiasts.
    Downloads: 4 This Week
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  • 10
    Neothesia

    Neothesia

    Flashy Synthesia Like Software For Linux, Windows and MacOs

    Neothesia is a free, open-source MIDI visualizer and piano learning application available for Windows, macOS, and Linux. Inspired by Synthesia, it transforms MIDI music files into colorful falling notes displayed above a virtual piano keyboard. The visual representation helps users identify which keys to press and understand the timing of musical passages. Players can follow animated notes to practice songs without relying exclusively on traditional sheet music. The application supports MIDI input, allowing compatible digital keyboards to interact with its piano visualization. Its GPU-accelerated graphics provide smooth animations and responsive visual feedback. Built with Rust and wgpu, it offers a cross-platform alternative to proprietary piano visualization software. Neothesia is useful for piano students, MIDI enthusiasts, and musicians exploring visual learning methods.
    Downloads: 4 This Week
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  • 11
    Vermilion Desktop Composer
    A unique desktop music composing application for PC/Mac/Linux/Android with a tracker style interface and a simple modular Java plugin based design allowing rapid improvement and endless expansion.
    5.0 out of 5 stars 1 Review
    Downloads: 48 This Week
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  • 12
    SoundHelix

    SoundHelix

    Versatile algorithmic random music generation software written in Java

    SoundHelix is a free versatile Java framework for algorithmic random music composition. SoundHelix can generate random songs, play them (for example, on any number of MIDI devices or MIDI-capable software synthesizers) and is highly customizable using XML configuration. SoundHelix also allows writing the generated music as MIDI files. SoundHelix produces music that is actually enjoyable to listen to.
    4.6 out of 5 stars 9 Reviews
    Downloads: 15 This Week
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  • 13
    SID-Wizard

    SID-Wizard

    Featureful native Commodore 64 music tracker with MIDI/XM converter

    A featureful SID-music creation tool (tracker) for the Commodore 64. It includes many advanced effects and tools like keyboard-tracking, tempo-programs/funktempo, gateoff-table-pointers, filter-shift, SID-export, executable-export, MIDI/XM conversion and MIDI-input hardware, etc., etc. NOTE: I left SourceForge for reasons not ethical to mention here. You can find me and my further work at these locations: http://hermit.sidrip.com http://csdb.dk/scener/?id=18806 https://github.com/hermitsoft/
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    5.0 out of 5 stars 4 Reviews
    Downloads: 14 This Week
    Last Update:
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  • 14
    MilkyTracker

    MilkyTracker

    A Fasttracker II compatible music editor

    MilkyTracker is a free, open-source music tracker designed for composing and editing sample-based music. It recreates the workflow and playback behavior of the classic DOS program FastTracker II. Users can arrange notes, instruments, and effects in traditional tracker patterns. The software supports XM and MOD module formats, allowing compositions to be stored as compact files containing samples and sequencing information. Its sample editor provides tools for modifying audio recordings and creating custom instruments. Pattern editing functions help musicians build arrangements through keyboard-driven commands. MilkyTracker also includes specialized playback modes for improved compatibility with Amiga ProTracker modules. Available for Windows, macOS, Linux, and additional platforms, it serves chiptune musicians, demoscene artists, and tracker enthusiasts.
    Downloads: 2 This Week
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  • 15
    Common Music

    Common Music

    An algorithmic music composition system

    Common Music (CM) is a real-time music composition system implemented in JUCE/C++ and Scheme. It generates musical output via MIDI, OSC, CLM, FOMUS and CSOUND. Its user application is called GRACE (Graphical Real-time Algorithmic Composition Environment)
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    5.0 out of 5 stars 5 Reviews
    Downloads: 9 This Week
    Last Update:
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  • 16
    modplug

    modplug

    A music tracker software for Windows.

    NOTE: This is a legacy sourceforge project. Please download the software from https://openmpt.org/ instead. The official code repository can now be found at https://source.openmpt.org/browse/openmpt/ OpenMPT is a Windows-based audio application used to produce music. The application was initially a private project developed by Olivier Lapicque and is a popular 'tracker' used by many musicians. OpenMPT is available as both a 32-bit and 64-bit application. For more information and downloads, see https://openmpt.org/ libopenmpt, a cross-platform module playback library, is based on the OpenMPT project. Up-to-date libopenmpt downloads and documentation can be found at https://lib.openmpt.org/
    4.8 out of 5 stars 17 Reviews
    Downloads: 5 This Week
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  • 17

    PsalticTools

    a set of utilities for working with Byzantine sheet music

    PsalticTools includes: • a set of utilities (plugins) for typing of Byzantine notes in parallel double notation (Byzantine and Western), based on MuseScore free music editor; • the PsalticHelper program for searching for formulas of Byzantine music in music books. • the UniPsaltica2 font with the characters of the musical Byzantine notation in Unicode.
    Downloads: 14 This Week
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  • 18
    remidj
    reMIDj is based of Mixxx 2.7, the free and open-source DJ application, focused on a redesigned interface for live mixing: Mixxx's engine with a denser, console-like layout. It keeps the full Mixxx feature set: crates and playlists, beatgrids and BPM detection, hotcues, loops, keylock, effects chains, MIDI/HID controllers, recording and broadcasting. On top of that it ships reMIDjVDJ, a QML skin and the default one: a dark console from 1280x720 up, with a compact mixer column, arc knobs, per-deck colours and three colour schemes. It also adds stem separation with Demucs, lyrics transcribed with Whisper and drawn on the waveform, EQ-to-stems per deck, 21 reactive visual scenes, an AI assistant for AutoDJ and an OSC server. Builds: Windows installer (amd64), .deb and AppImage for Linux. Not the official Mixxx release; GPL v2, same copyleft terms. These binaries are unsigned; Windows SmartScreen will ask for confirmation
    Downloads: 13 This Week
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  • 19
    The MIDI Agent System (MAS) uses the interaction between different agents to generate MIDI notes. This software is designed for live use and it enables the performer to have real time control over very complex music.
    Downloads: 8 This Week
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  • 20
    SpatGRIS
    The SpatGRIS is a plugin (Mac AU/VST and VST Windows format) designed to compose multichannel space. It allows the user to spatialize the sound in 2D (up to 16 speakers) or in 3D (up to 128 speakers) under a dome of speakers (with the ServerGRIS, available here on SourceForge). SpatGRIS is a fusion of two former plugins by the GRIS: OctoGRIS and ZirkOSC with a lot of new features. SpatGRIS has been developed by the Groupe de Recherche en Immersion Spatiale (GRIS) directed by Robert Normandeau and based at the Faculty of Music at Université de Montréal. SpatGRIS and ServerGRIS are still available here but they are not supported anymore. They have been replaced by the duo ControlGRIS/SpatGRIS3 also available at SourceFORGE (August 2021) Have a look at the them: https://sourceforge.net/projects/spatgris3/
    5.0 out of 5 stars 1 Review
    Downloads: 4 This Week
    Last Update:
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  • 21
    ScoreDate

    ScoreDate

    ScoreDate is a software to learn music reading and ear training

    ScoreDate is your date with the music ! It is an open source software written in Java that helps musicians to learn music reading. It also helps you with ear training. It is suitable for any skill, from beginners to professional users. From slow training to first sight reading.
    3.7 out of 5 stars 3 Reviews
    Downloads: 4 This Week
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  • 22
    Mutabor

    Mutabor

    Perform dynamic tunings for realtime music.

    Mutabor is a Program that allows performing and composing microtonal music using a normal MIDI keybord. But it's powerful description language is intended to allow permanent retunings and tuning logics in to describ, what's actually goes on.
    Downloads: 6 This Week
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  • 23
    Text to Chord

    Text to Chord

    Turn words into chords

    Convert words and sentences to 5 note chords you can use to inspire music creation. Have fun turning your name, your city name, your friends' names, your team's name, your pet's name into wild and original harmonies that go beyond serialism and classic jazz.
    Downloads: 6 This Week
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  • 24
    A virtual piano in flash. Play and record music with the mouse or keyboard.
    5.0 out of 5 stars 2 Reviews
    Downloads: 2 This Week
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  • 25
    jfMusic

    jfMusic

    Tracked Music Editor

    Tracked Music Editor Supports WAV, DLS files. Supports recording from MIDI devices.
    5.0 out of 5 stars 1 Review
    Downloads: 3 This Week
    Last Update:
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