Browse free open source Music Composition software and projects 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
    QMidiArp

    QMidiArp

    Linux MIDI arpeggiator, phrase generator and controller LFO

    QMidiArp is a MIDI arpeggiator, phrase generator and controller LFO for ALSA and JACK. It can run multiple synchronized arpeggiators, LFOs and step sequencers. The modules are also available as LV2 plugins with Qt user interface. QMidiArp has been growing since june 2009 on top of Matthias Nagorni's original arp idea.
    Leader badge
    Downloads: 29 This Week
    Last Update:
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  • 2

    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: 13 This Week
    Last Update:
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  • 3
    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.
    Downloads: 7 This Week
    Last Update:
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  • 4
    Standalone, LV2 and VST instruments & effects generating weird sounds, noises and glitches, for experimental music. Heavily inspired by the Futurist musician Luigi Russolo, the aim of this project is to create new instruments for the new century.
    Downloads: 3 This Week
    Last Update:
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  • 5
    Color to Chord

    Color to Chord

    Generate chords from colors

    Color to Chord The program will convert colors to chords, to inspire music composition.
    Downloads: 5 This Week
    Last Update:
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  • 6
    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: 4 This Week
    Last Update:
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  • 7
    Strasheela is a constraint-based music composition system. The user defines music theories by sets of compositional rules and the system creates music which complies with these theories. User-interface is the programming language Oz.
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    Downloads: 4 This Week
    Last Update:
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  • 8
    Cyclone
    Cyclone is a powerful music application that handles loops in live context, full MIDI controllable. Goal: to make an app that can compete with Ableton Live in loop handling power. Cyclone works good in realtime Jack environments.
    Downloads: 2 This Week
    Last Update:
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  • 9
    Chuso's Free Soundfont Collection

    Chuso's Free Soundfont Collection

    A free high quality soundfont collection for live setups

    Within the age of huge -and expensive- sample libraries that fullfill the dreams of every virtual composer, it seems that Soundfonts aren't needed anymore. However, some musicians still need the simplicity of these old fellows in live shows. Chuso's Free Soundfont Collection (ChusoCol) is a simple collection of instruments that would help every live musician to establish their own setup. It is the collection I particularly use and update, and the samples come from a variety of open resources, such as Sonatina Symphonic Orchestra (http://sso.mattiaswestlund.net/), Salamander Grand Piano (http://freepats.zenvoid.org/Piano/) or the GeneralUser GS (http://www.schristiancollins.com/generaluser.php), as well as some samples by myself. It is intended for live musicians who want the better sound with low requirements, in a library of ~300Mb. The library is still in alpha state, and improvements are being made. The final soundfont is compiled using Polyphone (http://www.polyphone.fr/)
    Downloads: 3 This Week
    Last Update:
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  • 10
    A virtual piano in flash. Play and record music with the mouse or keyboard.
    Downloads: 1 This Week
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  • 11
    Takt

    Takt

    Text-based Music Programming Tools

    Takt is a text-based language for describing note and chord sequences as well as algorithmic compositon rules with C-like syntax. This software package contains a REPL (read-eval-play loop) interpreter for Takt, a MIDI-file-to-Takt translator, and an Emacs interface program which enables note entry from a MIDI keyboard.
    Downloads: 2 This Week
    Last Update:
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  • 12
    Automatic music notation application for musicians and composers.
    Downloads: 1 This Week
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  • 13
    A sequencer specialized for extended just intonation tuning systems. Rationale does not use scales, only collections of notes related by frequency ratio, infinitely transposable. Any rational frequency ratio can be an interval, but no tempered tunings.
    Downloads: 1 This Week
    Last Update:
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  • 14
    A software music synthesizer inspired by 8-bit Atari Softsynth. It can import, edit and play Atari Softsynth tunes on PC. You can write your music in BASIC-like language and create your instruments with graphic editor. Now available for Raspberry Pi 2
    Downloads: 2 This Week
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  • 15
    Kepik is a melody generator that generates melody based on user-customized constraints.
    Downloads: 1 This Week
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  • 16
    Android Classical Synthetiser

    Android Classical Synthetiser

    Classical music synthetizer for android

    This android application is aiming to create 'nice' harmonized melodies and to produce digital partitions in lilypond format. Heavy Random Signal processing and expert system coding embedded.
    Downloads: 0 This Week
    Last Update:
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  • 17
    CULDAW means Collaborative Ubiquitous Digital Audio Workstation. The goal if this project is to build a tool for Symbian S60 devices to produce music with phones. It includes an step sequencer and a synthetizer.
    Downloads: 0 This Week
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  • 18

    EarWave Aural Skills Tutor

    NO LONGER UNDER DEVELOPMENT>>>AT LEAST NOT AT THIS TIME (AS OF 12/21/

    NO LONGER UNDER DEVELOPMENT>>>AT LEAST NOT AT THIS TIME (AS OF 12/21/2011)
    Downloads: 0 This Week
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  • 19
    JJazz generates musical MIDI accompaniment based on a chord leadsheet ("Cm7 / F7") and rhythm style information, like e.g. Band-in-a-Box or Jammer. It can be expanded thanks to a plugin system, for unlimited rhythm generation capabilities.
    Downloads: 0 This Week
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  • 20
    Midi Adventure 2
    Midi sequencer based on old-style analogue devices with emphasis on live interaction and improvisation. For more info please start with the project Wiki: http://p.sf.net/ma2/ProjectWiki
    Downloads: 0 This Week
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  • 21

    Name-Chord

    Name a chord and find all scales from a group of notes.

    Name a chord and find all scales from a group of notes.
    Downloads: 0 This Week
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  • 22
    Ouroborus is an artificial life framework for mobile agents on a background of cellular automata. It can be used to teach and research topics such as population genetics, ecology and evolution. The demo includes a curses view and live Csound audio.
    Downloads: 0 This Week
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  • 23

    PartWriter

    A project designed to write sheet music.

    The project is composed of two layers. The first layer is an artificial intelligence engine, partwriter, that writes music based on some heuristic. The second layer is the layer that defines the heuristic. The definition of this heuristic defines the type of music that partwriter will create. Currently (December 2012), the deepest layer is more or less complete. The author is now writing second layers of interest, namely species counterpoint heuristics according to Fux's Gradus Ad Parnassum.
    Downloads: 0 This Week
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  • 24

    SynthePG

    Live Music Compositor learning base on TPG

    This android app is producing music and partition sheets in real time. Furthermore, the AI module can be activated and be trained to learn you prefered style and play it. You can also team play your music with the interconnect mode. Finally, move your phone like a 'chef d'orchestre' and see how it changes the music...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    ToneMatrix

    ToneMatrix

    Generate a random twelve-tone serial music matrix

    Generate a random twelve-tone matrix, to inspire Schoenberg style serial music composition
    Downloads: 0 This Week
    Last Update:
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