Music
Audio Editing
7_ENTRIES- Audacity
a free, cross-platform digital audio editor.
- Ardour
a cross-platform digital audio workstation emphasizing audio recording.
- LMMS
another cross-platform digital audio workstation, more oriented towards making beats.
- OpenUtau
A free, cross-platform singing voice synthesis framework.
- snd
Snd is a sound editor modelled loosely after Emacs.
- Stargate DAW
A cross-platform, all-in-one digital audio workstation and plugin suite, optimized for EDM production.
- TuneFlow
a next-gen DAW that helps you generate melody, beats, or a whole song, while still being able to edit them.
Audio Libraries
11_ENTRIES- audio.js
audio.js is a drop-in javascript library that allows HTML5's tag to be used anywhere.
- audioFlux
A library for audio and music analysis, feature extraction.
- chord-mark
reference implementation of ChordMark, a text notation format for lyrics, chords and rhythm.
- howler.js
a Javascript audio library for the modern web.
- JSyn
an audio synthesis software API for Java.
- Librosa
a python package for music and audio analysis, providing the building blocks necessary to create music information retrieval systems.
- midi.js
a framework for creating web-based MIDI apps.
- mxml
MusicXML parsing and layout library.
- PortAudio
a free, cross-platform, open-source, audio I/O library.
- RustAudio
an aggregate of free and useful Audio, DSP and music libraries written in Rust.
- Soundpipe
a lightweight DSP library written in C.
Audio Tools
18_ENTRIES- Auralytics
an open-source personal Spotify analytics tool.
- Beets
a powerful command-line music organizer and manipulator.
- Cecilia
a Pyo-based graphical environment for music and signal processing.
- cyanrip
rips and encodes standard audio CDs with the least effort required from user. Cross platform.
- fre:ac
free audio converter. It supports audio CD ripping and tag editing.
- Jack
command-line CD ripper.
- K3b
is a full-featured CD/DVD/Blu-ray burning and ripping application.
- Koel
an open-source personal audio streaming server.
- Lame
a high quality, free and open-source MP3 encoder.
- lltag
automatic command-line mp3/ogg/flac file tagger and renamer.
- matchering
сontainerized web application and library for automated reference audio mastering.
- MusicBrainz
Open Encyclopedia for Music information and Metadata, providing a unique ID for everything
- Musikernel
a futuristic audio production platform (hardware support, APIs, hosts, plugins and more)
- Rubyripper
is a secure digital audio extraction application ("cd ripper") for Unix-like operating systems.
- SoX
a free open-source command line utility for playing, converting and manipulating audio files.
- split2flac
split flac/ape/wv/wav + cue sheet into separate tracks
- Whipper
Python CD-DA ripper preferring accuracy over speed.
- X Audio Copy
GTK and GNOME application for ripping CD-Audio and encoding in lossy and lossless audio formats.
Free Music Scores
9_ENTRIES- bayanguru
engraving and publishing system that produces high quality sheet music for bayan in PDF.
- cellist/Lilypond-Sheet-Music
a collection of music typeset with lilypond (mostly chamber music and music for cello).
- ciconia/music
a collection of mostly baroque music, lots of sacred works by J. S. Bach, coded in lilypond/ripple.
- CPDL
the choral public domain library contains more than 20K free scores of vocal music.
- Éditions Nicolas Sceaux
baroque music scores (mainly French music), typeset using lilypond.
- IMSLP
the International Music Score Library Project is the largest collection of public domain scores and parts on the web.
- Lavender Blue Open-Scores
open scores for piano encoded using lilypond.
- Mutopia
sheet music based on editions in the public domain.
- wbsoft/lilymusic
beautiful LilyPond scores under free licenses.
MIDI Tools & Libraries
5_ENTRIES- JJazzLab-X
a complete Midi-based framework for automatic backing tracks generation.
- Midifile
C++ library for parsing Standard MIDI Files.
- mido
Python library for working with MIDI messages and ports.
- Polyrhythmix
MIDI drums generator, designed for polyrhythmic parts
- Timidity
an open-source command line synthesizer that plays MIDI files.
Music Notation
32_ENTRIES- Abjad
a Python API for Formalized Score Control, based on Lilypond.
- ChordMark
a text-based notation format for lyrics, chords and rhythm.
- Denemo
a free music notation editor based on Lilypond.
- Digital Music Stand
a free web app for displaying sheet music.
- Jan Angermüller's music fonts page
A listing and visual comparison of different music fonts.
- Frescobaldi
a free Lilypond sheet music editor.
- Guido
a generic, portable library and API for the graphical rendering of musical scores.
- Hacklily
online LilyPond-based sheet music editor (with optional GitHub integration).
- Inknote
free, open source, browser based music notation and composition software.
- JotChord
an online, text-based editor for making PDF-formatted Nashville Number System song charts.
- LibMEI
a C++ library for reading and writing MEI files.
- Lilybin
an open source web-based LilyPond editor.
- Lilypond
free, open-source music engraving program, devoted to producing the highest-quality sheet music possible.
- Lilypond cook book
tips & tricks for getting the most out of lilypond.
- Lilypond Snippet Repository
an online database of Lilypond snippets ideas, features and hacks.
- Lilyvm
Lilypond version manager.
- Lyp
the Lilypond swiss army knife - easily install packages, manage multiple versions of Lilypond, and other tools for power users.
- mei-friend
a friendly, browser-based editor for music encodings.
- MuseScore
free open-source music notation and composition software.
- MusicKit
Music sheet rendering for iOS and OSX.
- neoscore
python library for notating music in a graphics-first paradigm.
- NOTATIO
a forum devoted to the practice of music notation.
- OpenLilyLib
LilyPond tools - snippets, templates, and extensions.
- OpenSheetMusicDisplay
Typescript library for rendering MusicXML in the browser.
- Python-ly
a tool and library for manipulating LilyPond files.
- Ripple
DRY for Lilypond - generate scores and parts with minimal fuss.
- Scorelib
a C++ library for parsing SCORE data files.
- Tbon
Typographic Beat-Oriented Notation for music.
- Unison
Proprietary software for creating music score with words.
- VectorScore
Lightweight, SVG-based music notation library for TypeScript under MIT license.
- Verovio
a library and a toolkit for engraving MEI music notation into SVG.
- Vexflow
a JavaScript library for rendering music notation and guitar tablature.
Music Programming
36_ENTRIES- Alda
a music programming language for musicians.
- Bach: Automated Composer's Helper
a cross-platform set of patches and externals for Max, aimed to bring the richness of computer-aided composition into the real-time world.
- Cane
A small MIDI sequencer DSL designed around vectors and euclidean rhythms.
- Chuck
strongly-timed, concurrent, and on-the-fly music programming language.
- CoffeeCollider
a language for real time audio synthesis and algorithmic composition in HTML5. "Write CoffeeScript, and be processed as SuperCollider."
- Common Music
an open source music composition system.
- Csound
a user-programmable and user-extensible sound processing language and software synthesizer.
- DrumBeatRepo
A rhythm library for playing drum beats of differents music genres in the browser.
- Faust
a functional programming language specifically designed for real-time signal processing and synthesis.
- Gwion
A strongly-timed programming language aimed at music creation. Heavily inspired by ChucK.
- IanniX
a graphical open-source sequencer, based on Iannis Xenakis works, for digital art.
- Inscore
an environmnent for the design of interactive, augmented music scores.
- Leipzig
a composition library for Overtone.
- Leiter
TypeScript-based library designed to generate musical scales.
- Midica
MIDI programming language with decompiler and player, supports karaoke.
- music21
A Toolkit for Computational Musicology.
- Music Suite
a language for generalized music notation and theory, based on Haskell.
- mutwo
a Python library for composition that outputs notation, MIDI or audio files and that provides a generalized model to describe time-based structures.
- Nyquist
a sound synthesis and composition language.
- OpenMusic
a visual programming language based on Lisp.
- Orca
live programming environment for music.
- Overtone
an Open Source toolkit for designing synthesizers and collaborating with music.
- Platonic Music Engine
an open-source music generation framework written in Lua.
- Pure Data
a visual programming language for audio and other multimedia.
- pyo
a Python module to help digital signal processing script creation.
- py-modular
a modular and experimental programming environment with basic DSP routines in python.
- Sardine
a music live coding library for Python 3.10+ (MIDI/OSC/SuperCollider).
- slippery chicken
a Common Lisp environment for composition building on CLM, CMN, CM, MusicXML and Lilypond for score, sound file, and/or MIDI file outputs.
- Sonic Pi
a live coding synth with an emphasis on educational use.
- Sporth
a small stack based audio language.
- Strudel
an experiment in making a language built on javascript for live coding patterns using web technologies.
- SuperCollider
a programming language for real time audio synthesis and algorithmic composition.
- Tidal
a language built on Haskell for live coding patterns.
- Topos
a web based live coding environment (WebAudio / MIDI)
- tuneflow-py
python plugin SDK for the next-gen DAW, that allows you to program your music algorithms & AI models into all stages of music production
- Unilang
Domain specific language used in Unison.
Music Theory Teaching
5_ENTRIES- Artusi
Interactive music theory exercises.
- Four Score and More
Tailored music theory exercises based on scores.
- musictheory.net
Lessons and exercises
- OpenMusicTheory
a growing, online "textbook" for music theory and aural skills.
- Theorytab
a database of songs with their chord functions.
Standards
3_ENTRIES- MEI (Music Encoding Initiative)
an open-source effort to define a system for encoding musical documents in a machine-readable structure.
- MusicXML
the standard open format for exchanging digital sheet music.
- SMuFL (Standard Music Font Layout)
a specification for mapping music symbols to Unicode for use in music fonts.