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

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  • 1
    Fx FloorBoard

    Fx FloorBoard

    Graphical editor software for many Boss and Roland effect & synth unit

    Editors for the BOSS GT-1, 3, 5, 6, 8, Pro, 10, 100, 001 Guitar Multi-Effects Processors, and the BOSS GT-1B,6B,10B Bass Multi-Effects Processors. And for the Katana Amplifier. and various Boss and Roland guitar synths. This software can visually edit parameters via Midi,USB, or Bluetooth(via external device on some units) on the Multi-Effects/Amp/Synth Processor.
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    Downloads: 643 This Week
    Last Update:
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  • 2
    GR FloorBoard
    midi editing software for use with the Roland GR-55 and Boss SY-300 and GP-10 guitar synthesizer, to allow graphical representation of the internal settings and parameters of the GR-55. Realtime editing and patch data backups, bulk patch editing.
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    Downloads: 232 This Week
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  • 3
    Aria Maestosa
    Aria Maestosa is a midi sequencer/editor. It lets you compose, edit and play midi files with a few clicks in a user-friendly interface offering score, keyboard, guitar, drum and controller views. Git repository: https://github.com/ariamaestosa/ariamaestosa
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    Downloads: 267 This Week
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  • 4
    Virtual MIDI Piano Keyboard

    Virtual MIDI Piano Keyboard

    Virtual MIDI controller for Linux, Windows and OSX

    VMPK is a virtual MIDI piano keyboard for Linux, Windows and OSX. Based on Qt and Drumstick the program is a MIDI event generator using the computer's alphanumeric keyboard and the mouse. It may be used also to display received MIDI notes.
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    Downloads: 1,182 This Week
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  • 5
    ME-Edit
    Patch editor for the Boss ME-25 guitar multi effects and Roland GR-20 guitar synthesizer. The software allows desktop tweaking and editing of the ME-25 internal parameters, making patches a lot easier to create.
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    Downloads: 82 This Week
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  • 6
    MuseScore

    MuseScore

    Free music notation & composition software

    MuseScore is the leading free & open source music notation software for Windows, Mac and Linux. It is easy to use and makes beautiful sheet music. MuseScore is often praised as a cost effective alternative for Sibelius and Finale. Support MuseScore at http://musescore.org/en/donate Like MuseScore on Facebook: http://facebook.com/musescore
    Downloads: 43 This Week
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  • 7
    -- archived --
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    Downloads: 36 This Week
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  • 8
    Jalmus is a free, open source music education software helping the musicians, especially pianists, to improve their sight-reading. You can train to read music with both exercises on notes or rhythms.
    Downloads: 11 This Week
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  • 9
    Speedy MIDI
    Speedy MIDI is an editor designed for choirs and singers to quickly generate MIDI files for rehearsal.
    Downloads: 10 This Week
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  • 10
    jVSTwRapper allows you to develop VST (2.4), Audio Unit (AU) and LADSPA compatible audio plugins and virtual instruments plus user interfaces (Swing) with the Java programming language on Windows, Linux and Mac OSX. 5 demo plugins (+src) are included.
    Downloads: 6 This Week
    Last Update:
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  • 11
    DGuitar is a Guitar Pro (*.GP4,*.GP3,GTP) viewer and player that works under Linux, MacOs, Solaris, BSD, Windows, or any other operating system with Java Runtime 1.4.X. http://DGuitar.sourceforge.net If you are a JAVA developer visit this page https://bitbucket.org/mauriciograciag/dguitar/overview
    Downloads: 8 This Week
    Last Update:
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  • 12
    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: 10 This Week
    Last Update:
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  • 13
    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.
    Downloads: 5 This Week
    Last Update:
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  • 14
    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.
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    Downloads: 8 This Week
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  • 15
    MIDI Step Sequencer - Cythar

    MIDI Step Sequencer - Cythar

    Polyphonic MIDI sequencer

    A pattern-oriented, polyphonic MIDI step-sequencer, which makes its own path. 16 parallel patterns with six tracks and 16 bars – equating to 256 bars & 96 tracks. Videos: https://www.youtube.com/watch?v=0UK7US2NwC0&list=PLZCmwv5U3kDP-3jldIzOErbnBOdGjJV_M Source: https://github.com/monotomy/CYTHAR-Sequenzer Check out B-Step Sequencer too: http://b-step.monoplugs.com . A similar, new Project.
    Downloads: 4 This Week
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  • 16
    Canorus is the next generation music score editor. It is the official successor of NoteEdit. It uses Qt4, has scripting capibilities and uses modern development standards like eclipse, patterns and test units as base.
    Downloads: 0 This Week
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  • 17
    This application allows to play midi files with the following additional features: - change volume of any channel in the midi fie - blend channels in and out - add a metronome channel - change tempo - display beat - add markers
    Downloads: 0 This Week
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  • 18
    Extend your MIDI keyboard to teach you playing it. Different practive levels will be available to improve your play.
    Downloads: 0 This Week
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  • 19
    The project is about porting selected (open source) music-, and audio software to latest compilers and platforms...
    Downloads: 0 This Week
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  • 20
    StickMusic is a program to control digital sound synthesis and processing using joysticks. It has a GUI to set up patches.
    Downloads: 0 This Week
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