a free, cross-platform digital audio editor.

a cross-platform digital audio workstation emphasizing audio recording.

another cross-platform digital audio workstation, more oriented towards making beats.

A free, cross-platform singing voice synthesis framework.

Snd is a sound editor modelled loosely after Emacs.

A cross-platform, all-in-one digital audio workstation and plugin suite, optimized for EDM production.

a next-gen DAW that helps you generate melody, beats, or a whole song, while still being able to edit them.

audio.js is a drop-in javascript library that allows HTML5's <audio> tag to be used anywhere.

A library for audio and music analysis, feature extraction.

reference implementation of ChordMark, a text notation format for lyrics, chords and rhythm.

a Javascript audio library for the modern web.

an audio synthesis software API for Java.

a python package for music and audio analysis, providing the building blocks necessary to create music information…

a framework for creating web-based MIDI apps.

MusicXML parsing and layout library.

a free, cross-platform, open-source, audio I/O library.

an aggregate of free and useful Audio, DSP and music libraries written in Rust.

a lightweight DSP library written in C.

an open-source personal Spotify analytics tool.

a powerful command-line music organizer and manipulator.

a Pyo-based graphical environment for music and signal processing.

rips and encodes standard audio CDs with the least effort required from user. Cross platform.

free audio converter. It supports audio CD ripping and tag editing.

command-line CD ripper.

is a full-featured CD/DVD/Blu-ray burning and ripping application.

a self-hosted music streaming server with ML-powered audio analysis, vibe-based discovery, and Subsonic API support.

an open-source personal audio streaming server.

a high quality, free and open-source MP3 encoder.

automatic command-line mp3/ogg/flac file tagger and renamer.

сontainerized web application and library for automated reference audio mastering.

Open Encyclopedia for Music information and Metadata, providing a unique ID for everything

is a secure digital audio extraction application ("cd ripper") for Unix-like operating systems.

a free open-source command line utility for playing, converting and manipulating audio files.

split flac/ape/wv/wav + cue sheet into separate tracks

Python CD-DA ripper preferring accuracy over speed.

GTK and GNOME application for ripping CD-Audio and encoding in lossy and lossless audio formats.

engraving and publishing system that produces high quality sheet music for bayan in PDF.

a collection of music typeset with lilypond (mostly chamber music and music for cello).

a collection of mostly baroque music, lots of sacred works by J. S. Bach, coded in lilypond/ripple.

the choral public domain library contains more than 20K free scores of vocal music.

baroque music scores (mainly French music), typeset using lilypond.

the International Music Score Library Project is the largest collection of public domain scores and parts on the web.

open scores for piano encoded using lilypond.

sheet music based on editions in the public domain.

beautiful LilyPond scores under free licenses.

music theory engine for embedded systems with MIDI 1.0/2.0 UMP support.

a complete Midi-based framework for automatic backing tracks generation.

C++ library for parsing Standard MIDI Files.

universal control and translation tool for most show control protocols.

Python library for working with MIDI messages and ports.

A Python-based MIDI router and processor for Linux and macOS

MIDI drums generator, designed for polyrhythmic parts

An UI and API for mididings

an open-source command line synthesizer that plays MIDI files.

a Python API for Formalized Score Control, based on Lilypond.

a text-based notation format for lyrics, chords and rhythm.

a free music notation editor based on Lilypond.

a free web app for displaying sheet music.

A listing and visual comparison of different music fonts.

a free Lilypond sheet music editor.

a generic, portable library and API for the graphical rendering of musical scores.

online LilyPond-based sheet music editor (with optional GitHub integration).

free, open source, browser based music notation and composition software.

an online, text-based editor for making PDF-formatted Nashville Number System song charts.

a C++ library for reading and writing MEI files.

an open source web-based LilyPond editor.

free, open-source music engraving program, devoted to producing the highest-quality sheet music possible.

tips & tricks for getting the most out of lilypond.

an online database of Lilypond snippets ideas, features and hacks.

Lilypond version manager.

the Lilypond swiss army knife - easily install packages, manage multiple versions of Lilypond, and other tools for…

a friendly, browser-based editor for music encodings.

free open-source music notation and composition software.

Music sheet rendering for iOS and OSX.

python library for notating music in a graphics-first paradigm.

a forum devoted to the practice of music notation.

LilyPond tools - snippets, templates, and extensions.

Typescript library for rendering MusicXML in the browser.

a tool and library for manipulating LilyPond files.

DRY for Lilypond - generate scores and parts with minimal fuss.

a C++ library for parsing SCORE data files.

Typographic Beat-Oriented Notation for music.

Proprietary software for creating music score with words.

Lightweight, SVG-based music notation library for TypeScript under MIT license.

a library and a toolkit for engraving MEI music notation into SVG.

a JavaScript library for rendering music notation and guitar tablature.

a music programming language for musicians.

a cross-platform set of patches and externals for Max, aimed to bring the richness of computer-aided composition into…

A small MIDI sequencer DSL designed around vectors and euclidean rhythms.

strongly-timed, concurrent, and on-the-fly music programming language.

a language for real time audio synthesis and algorithmic composition in HTML5. "Write CoffeeScript, and be processed…

an open source music composition system.

a user-programmable and user-extensible sound processing language and software synthesizer.

A rhythm library for playing drum beats of differents music genres in the browser.

a functional programming language specifically designed for real-time signal processing and synthesis.

A strongly-timed programming language aimed at music creation. Heavily inspired by ChucK.

a graphical open-source sequencer, based on Iannis Xenakis works, for digital art.

an environmnent for the design of interactive, augmented music scores.

a composition library for Overtone.

TypeScript-based library designed to generate musical scales.

MIDI programming language with decompiler and player, supports karaoke.

A Toolkit for Computational Musicology.

a language for generalized music notation and theory, based on Haskell.

a Python library for composition that outputs notation, MIDI or audio files and that provides a generalized model to…

a sound synthesis and composition language.

a visual programming language based on Lisp.

live programming environment for music.

an Open Source toolkit for designing synthesizers and collaborating with music.

an open-source music generation framework written in Lua.

a visual programming language for audio and other multimedia.

a Python module to help digital signal processing script creation.

a modular and experimental programming environment with basic DSP routines in python.

a music live coding library for Python 3.10+ (MIDI/OSC/SuperCollider).

a Common Lisp environment for composition building on CLM, CMN, CM, MusicXML and Lilypond for score, sound file,…

a live coding synth with an emphasis on educational use.

a small stack based audio language.

an experiment in making a language built on javascript for live coding patterns using web technologies.

a programming language for real time audio synthesis and algorithmic composition.

a language built on Haskell for live coding patterns.

a web based live coding environment (WebAudio / MIDI)

python plugin SDK for the next-gen DAW, that allows you to program your music algorithms & AI models into all stages…

Proprietary software for creating music score with words.

Interactive music theory exercises.

Tailored music theory exercises based on scores.

Lessons and exercises

a growing, online "textbook" for music theory and aural skills.

a database of songs with their chord functions.

an open-source effort to define a system for encoding musical documents in a machine-readable structure.

the standard open format for exchanging digital sheet music.

a specification for mapping music symbols to Unicode for use in music fonts.