Open Source BSD Music 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

The Jniz project is stopped. The new Web version is now JnizWeb hosted on Gitlab (under construction): https://gitlab.com/jniz70/jnizweb/ Demo: https://jniz70.gitlab.io/jnizweb/ 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

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.

LMMS is a free cross-platform software which allows you to produce music with your computer. This covers creating melodies and beats, synthesizing and mixing sounds and arranging samples. You can have fun with your MIDI keyboard and much more – all in a user-friendly and modern interface. Furthermore LMMS comes with many ready-to-use instrument and effect plugins, presets and samples.