Open Source MIDI Software - Page 3
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Jazz++ is a full featured, audio capable, cross-platform MIDI sequencer. Jazz++ offers a lot of functions normally only found in expensive sequencer software, and is used by professionals and hobby musicians all over the world.
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Speedy MIDI is an editor designed for choirs and singers to quickly generate MIDI files for rehearsal.
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DirectShow filter for playing back MIDI and CD+G karaoke files (.kar, .cdg, .bin) as video in Windows Media Player
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QmidiNet
A MIDI Network Gateway via UDP/IP Multicast
QmidiNet is a MIDI network gateway application that sends and receives MIDI data over the network, using UDP/IP multicast. Inspired by multimidicast (http://llg.cubic.org/tools) and designed to be compatible with ipMIDI for Windows (http://nerds.de). -
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Drumstick MIDI Monitor
MIDI monitor for Linux
Drumstick MIDI Monitor is a MIDI monitor for Linux using ALSA sequencer and Qt5 user interface. -
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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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AJED
An Editor for Roland JUNO ALPHA type synthesizers
An Editor for Roland JUNO ALPHA 1/ 2 HS-10/HS-80 and Roland MKS50 Version 2.6.1 July 14th 2025 release (Windows Installer) Version 2..6.1 August 15th 2025 release (Builds for macOS) This project is a continuation of the now discontinued Juno Alpha panel. Please upgrade to this version. A lot of work went into the creation of this program. If you profit from it either financially or creatively, please consider a donation of as little as $10.00 USD. Please click on the PayPal link above - thank you. -
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abcmidi
abcmidi is a library of programs to handle abc music notation files
abcmidi contains a collection of command line utilities for working with abc music notation files. abc2midi converts an abc file into a midi file. abc2abc transposes the contents of an abc file to another key. midi2abc converts a midi file into an abc file. yaps renders the contents of an abc file into common music notation and records it into a PostScript file. mftext presents a textual representation of a midi file. midicopy changes the contents of a midi file and records it in a new midi file. abcmatch searches a database of abc files for certain musical patterns. -
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JSynthLib is a universal MIDI synthesizer librarian / editor. The project aims to eventually support all existing synthesizers.
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Drumstick Libraries
MIDI libraries for Qt/C++
Drumstick is a tool to play music. This is a set of C++ MIDI libraries using Qt5 objects, idioms and style. It contains a C++ wrapper around the ALSA library sequencer interface; ALSA sequencer provides software support for MIDI technology on Linux. A complementary library provides classes for SMF (Standard MIDI files: .MID/.KAR), and Cakewalk (.WRK) file formats processing. A multiplatform realtime MIDI I/O library is also provided. -
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Mididash
MIDI router with a node-based interface and Lua scripting
Mididash is an open source MIDI routing software with a node-based interface and Lua scripting. A modern take on programs like MIDI-OX. -
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midiexplorer
Midiexplorer is designed to explore a large collection of midi files
The program has various modes of viewing the contents of the midi file. The program allows you to search for midi files having certain characteristic on your hard drive (eg. tempo exceeds 200 bpm and number of pitchbends greater than 100). -
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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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Drumstick Metronome
MIDI Metronome using the ALSA Sequencer
Drumstick Metronome is a MIDI based metronome using the ALSA sequencer. Intended for musicians and music students, it is a tool to keep the rhythm while playing musical instruments. It uses MIDI for sound generation instead of digital audio, allowing low CPU usage and very accurate timing thanks to the ALSA sequencer. -
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DSSI
DSSI is an audio plugin API for soft synths and effects.
DSSI is an audio plugin API for software instruments (soft synths) and effects. It is based on the LADSPA plugin API, the ALSA sequencer event types, and OSC (Open Sound Control) communications with custom GUIs. -
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QmidiCtl
A MIDI Remote Controller via UDP/IP Multicast
QmidiCtl is a MIDI remote controller application that sends MIDI data over the network, using UDP/IP multicast. Inspired by multimidicast (http://llg.cubic.org/tools) and designed to be compatible with ipMIDI for Windows (http://nerds.de). -
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ABC is a text-based music notation language. This project aims to promote the ABC music notation language by providing cross-platform, open-source tools for manipulating, displaying and playing (via MIDI) ABC files. This project is here for historic reasons and there is not too much activity now. The abcmidi project is updated more frequently.
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JV PatchEd. - JV-880
Patch Editor for Roland JV-880.
Windows and Mac standalone Patch Editor for Roland JV-880. Patch Editor for Roland JV-880 synthesizer. With this panel you will have a complete control of all Patch Configurations Parameters on Roland JV-880 and you will really can explore the power of this fantastic synth. All editions will work on Temporary Patch. For start point, just select a patch from Factory Patch List and then use this patch as your start reference. All the parameters of patch will be imported by JV PacthEd. At the end of edition, if you desire, you can store a new patch on Internal User bank of JV-880, on Data Card or on your computer as a sysex file. The selected user patch position patch o JV-880 will be overwrited! For Roland JV-80 please visit the link below: https://sourceforge.net/projects/jv-patched-jv-80/ Any feedback will be welcome. -
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midimusic
Music software and a totally non commercial music archive.
Midimusic provides archives of Wurlitzer and Estey music rolls in e-roll format. These are downloadable and the music can be played using eplayOrgan. An archive of Miditzer organ midi files is also provided. All features of the original e-rolls and midis are available including stops and swell. eplayOrgan is a fully featured organ which can also be played from a full midified console or standard midi keyboards. Stops may be set using a touch screen. eplayOrgan operates under Windows. Mac and Linux are supported under Wine. The programs work just the same under Wine on Mac and Linux as they do under Windows. -
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padthv1
An old-school polyphonic additive synthesizer
padthv1 is an old-school polyphonic additive synthesizer with stereo fx, padthv1 is based on the PADsynth algorithm, by Paul Nasca, as a special variant of additive synthesis (cf. http://zynaddsubfx.sourceforge.net/doc/PADsynth/PADsynth.htm). -
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QwertyMidi is a Win32 C++ project that allows usage of a regular PC qwerty keyboard as a MIDI device in Windows.
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AGS - Advanced Gtk+ Sequencer
audio sequencer
Advanced GTK+ Sequencer is intended to use for music composition. It features a piano roll, as well a synth, matrix editor, drum machine, soundfont2 player, mixer and an output panel. It's designed to be highly configurable, you may add effects to its effect chain, add or remove audio channels/pads. You may set up a fully functional network of engines, therefore exists a link editor for linking audio lines. In conjunction with ags you need a realtime kernel and alsa support. `ags` uses conditional locks to keep several threads in sync that's why you need at least a preemptible kernel. -
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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.
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gmorgan
GMorgan_0.79 updated November 21, 2016
Gmorgan is a midi processor. It can be voiced using Linux synths, midi connected equipment, or a soundcard. It is best to use a velocity sensing midi keyboard so that the first 4 voices can be mixed or layered. Demo at Youtube: http://youtu.be/3uIRq6M1tCs For GNU/Linux users, the latest file is .79. GMorgan .79 runs well on Ubuntu and most Linux/GNU distributions. Although it is included in the tarball, you can download .75 pdf documentation from the files section here. This revision incorporates a new drum pattern panel based on the FLTK spreadsheet example. There is also some miscellaneous cleanup. If you have tried it before, be sure to go to Settings->global, renew the file paths to the current gmorgan directory, and save them. The sound file has been slightly reformated, so results could be unpredictable if you don't do this. Try the play along at http://www.seconnecticut.com/GmorganPlayalong.htm