Open Source Java Music Composition Software

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.

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.

Jniz is a piece of software designed for musicians as a support tool to the musical composition. It allows you to build and to harmonize several voices according to the rules of classical harmony. Sound/audio-to-Midi converter: real-time conversion of any monophonic sound (voice, instrument etc.) into notes / tones. Jniz is a free proprietary piece of software. You do not have the right to sell, distribute Jniz or use its sources under penalty of law. You will infringes on the Jniz staff property rights. Please review the use license here: http://www.jniz.org/index.php/en/license

Tracked Music Editor Supports WAV, DLS files. Supports recording from MIDI devices.

Give the chord progression and a style and JChordBox generates a song. JChordBox is a library tool that can generate backing tracks from a chord progression and a music style. A music Style is describe using an XML and a MIDI file. You can generate an XML Style file from a MIDI file by adding markers to delimit grooves. An XML Song file describes a chord progression and sets the music style to use. JChordBox comes with several command line tools (GenerateSong, CreateStyleFromMidiFile, SongPlayer …). NEW:The application center is called SongPlayer and is a text based user interface that can play JChordBox song. SongPlayer is a MIDI Player that can loop a song, mute or soloing tracks and displays transport informations. SongPlayer is now the default jar application. NEW:Examples have been added to the distribution package.

The MidiRandomizer is a Java Swing application that generates MIDI files (SMF) according to a set of randomization parameters. This allows some measure of control over the random patterns produced.

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.

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.

This kangaroo-themed program allows the user to create their own music and sound effects, effectively from scratch. There are two variants of the program: Kangas Sound Editor which requires MySQL for its database, and Kangas Sound Editor QI which does not (it uses an internal database - HSQLDB - instead). Kangas Sound Editor (QI) uses a system of boxes or cells, which are placed by the user onto a timeline using drag-and-drop, and which represent entities such as chords, repetition, and individual sounds or notes. The program's database allows the user to create and store harmonics, used for constructing melodic instruments, and anti-harmonics, which are used for constructing percussion instruments. Users can collaborate with and build on the work of others via an XML import/export facility.

Open Musicwriter is a multi-platform open-source music score editor. It handles MIDI files and MusicXML files.

Opus+ is free music software that creates novel musical compositions using an algorithm called 'Constrained Random Generation' (CRG). Outputs a LilyPond file, a PDF file of the musical score, and an audio performance in a MIDI file.

Rubato Composer is a music software based on the concepts and models of mathematical music theory and equally suited for music composition, analysis, performance, and logical or geometric operations.

The program puts beats through evolution - survival, mutations, reproduction. The purpose, in the words of Africa Bambaataa - Looking for the perfect beat. Using a genetic­ algorithmic framework, the user's taste defines a Beat fitness function - she decides which beats survive and breed, and which join the choir invisible. In addition, the user can easily define an automatic fitness function, put the program on 'auto­pilot' mode, and let it speed up evolution. Different types of mutations (including inactive genes, changing instruments, and more) occur randomly (or at the user's control), and the user can add her own beats to the population. The program was written by Nir Rosenfeld and Assaf Michaely.

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.

Mantra Machine is an emulation of the Buddha Machine hardware, a small box that endlessly plays ambient loops. In this release you will find the original loops of the hardware plus an exclusive set of sounds. Two versions: Java Edition and Linux Qt.

Simple music editor.

A simple application that allows users to customize characteristics it uses to improvise jazz solos. A user can create new solos, save those solos, and reopen them for playback.

Presto is a music notation program aimed at making it easy for a composer to rapidly convert a musical sketch (melody, counterpoint, harmonic support and bass) into a complete musical arrangement.

Delius is a free multiplataform music software based on braille music code and can be used either by sighted and non-sighted users. This software was developed in Java, has multilanguage support and it is intended to help visual impaired musicians to produce musical scores which can be exported to other symbolic music formats as MusicXML, MIDI and abc notation.

Explore music theory by composing songs based on chords, modes, scales, etc.

JDrummer is musical drum machine implemented as a Java Applet. It features up to eight tracks of notes playing simultaneously, user configurable Beats Per Minute and server side saving and loading of songs.

A music notation program to aid musicians in composing and understanding solos. Enable musicians to improve their understanding of chord changes and solos.

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.

DISSCO is an integrated environment for music composition (CMOD) and additive sound sythesis (LASS). LASS is a C++ library. It includes a Java GUI (LASSIE) which allows users to enter the specifications needed to build sounds. CMOD will be part of a

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.