Top 23 music-theory Open-Source Projects

• tonal

  11 3,714 7.3 TypeScript

  A functional music theory library for Javascript

  

Project mention: Tonal.js: Functional music theory lib | news.ycombinator.com | 2024-04-02

They're using objects, including arrays [1], so I think they would have been more precise to say that they're using objects and arrays as simple data structures rather than using OO features like inheritance and mutation.

[1] https://github.com/tonaljs/tonal/blob/main/packages/chord/in...

• study-music

  15 1,668 9.9

  An "awesome music theory" kinda wiki with books, resources and courses for studying everything about music and sound

• SurveyJS

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• piano-trainer

  12 1,354 1.5 TypeScript

  Memorize piano scales with ease! A piano practice program w/ MIDI support. Consider it an interactive reference manual 🎹

• musicpy

  2 1,210 7.9 Python

  Musicpy is a music programming language in Python designed to write music in very handy syntax through music theory and algorithms.

Project mention: GitHub - Rainbow-Dreamer/musicpy: Musicpy is a music programming language in Python designed to write music in very handy syntax through music theory and algorithms. | /r/Python | 2023-05-26

• rust-music-theory

  2 611 0.0 Rust

  A music theory guide written in Rust.

• textbeat

  7 391 0.7 Python

  🎹 plaintext music sequencer and midi shell, with vim playback and the powers of music theory 🥁

Project mention: textbeat VS midica - a user suggested alternative | libhunt.com/r/textbeat | 2023-08-12

• pianochord.io

  6 170 5.9 TypeScript

  A pure frontend Web Application for people to browse through a large collection of piano chords

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• fretonator

  2 71 4.6 TypeScript

  The ultimate interactive free guitar theory tool.

Project mention: How to run Yarn program without compiling everytime. | /r/node | 2023-05-29

Trying to run github.com/whitep4nth3r/fretonator without compiling everytime.

• mzk

  2 56 5.2 Python

  🎸 music theory helper 🎵

Project mention: Command line guitar theory project I started as a means to use Python to learn music theory | /r/commandline | 2023-06-07

Link to project: https://github.com/acidvegas/mzk

• midi-jar

  3 50 8.6 TypeScript

  MIDI Jar is a tool box for musicians, learners, streamers, that want to route MIDI message between devices, and display a piano or chords while playing, and integrate it on a video or on a Twitch stream.

  

Project mention: Is there any app that can pair with my digital piano and let me visualize the things I'm playing on a staff? | /r/pianolearning | 2023-10-31

• mahler.c

  2 42 7.3 C

  Western music theory library in C99

• Macropad_4chord_MIDI

  1 41 5.4 Python

  A take on the 4chord MIDI project with the Adafruit Macropad

• midimech

  6 35 8.1 Python

  🎼 Isomorphic musical layout engine for LinnStrument and Launchpad X, with DAW/Synthesia visualizer

• Note-Art

  1 30 6.1 TypeScript

  :guitar: Music Theory in Code.

  

• Music-Graph

  2 30 8.1 JavaScript

  An open source graph representation of most genres and styles found on popular, classical and folk music. Usually used to compute similarity (by distance) between 2 sets of genres/styles.

• rawl

  1 30 9.8 C

  Western tonal harmony and arrangement as seen in 12 colors. An interactive book built around a readable piano roll for MIDI files

Project mention: Rawl: 12-colored visual music theory for pop/rock MIDI arrangements | news.ycombinator.com | 2024-01-28

Tldr no synesthesia (everyone is different), no "physical" idea, rather an attempt to do meaningful metaphors for I, IV, V chords and minor/major opposition.

My a bit outdated writeup: https://github.com/vpavlenko/rawl?tab=readme-ov-file#12-colo...

Also I wrote why I specifically don't want to use any psychological research on color-audio relations like https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5835347/:

"in this article they try to find connections between the basic parameters of sound and colors at the level of existing unconscious sensations. in particular, the “pitch” parameter (height, note) - the only parameter that interests me - is very roughly scaled by them as higher pitch and darker pitch, with a spread of four octaves. my task is to find 12 colors in order to use all 12 within one octave, and to create from them a script in which the complex and variable structures of Western music are visible. i.e. they become visible if you look closely and compare

my task is not about the basic sensations of people from high or low notes. I simply show the height of the notes along the vertical axis: high notes at the top of the screen, low notes at the bottom. I need the color to:

• ireal-musicxml

  1 28 5.9 JavaScript

  iReal Pro to MusicXML converter

• musescore-theory-plugins

  1 27 0.0 QML

  A collection of MuseScore plugins that check species counterpoint, 4-part chorales, intervals, and chords and can automatically create interval and chord ID worksheets.

• octave-compass

  3 23 0.0 TypeScript

  A tool for exploring musical scales and chords

• keygen

  5 19 1.5 Python

  Keygen composes original music in the form of midi files. (by cyberrumor)

• Modulo7

  1 15 0.0 Java

  A semantic and technical analysis of musical scores based on Information Retrieval Principles

• pocket-scale-calculator

  10 15 0.0 Kotlin

  Helper tool for calculating scales for Teenage Engineering Pocket Operator PO-32, PO-33/133, PO-35/137 & PO-128 series.

• webxr-threejs-midi-visualizer

  2 12 0.0 JavaScript

  WebXR, augmented reality MIDI data visualization, built with Three.js and Tone.js. See video: https://youtu.be/lIecCGtbqSM

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music-theory related posts

• Tonal.js: Functional music theory lib

  5 projects | news.ycombinator.com | 2 Apr 2024

• Rawl: 12-colored visual music theory for pop/rock MIDI arrangements

  2 projects | news.ycombinator.com | 28 Jan 2024

• Is there any app that can pair with my digital piano and let me visualize the things I'm playing on a staff?

  1 project | /r/pianolearning | 31 Oct 2023

• Command line guitar theory project I started as a means to use Python to learn music theory

  3 projects | /r/commandline | 7 Jun 2023

• How to run Yarn program without compiling everytime.

  1 project | /r/node | 29 May 2023

• GitHub - Rainbow-Dreamer/musicpy: Musicpy is a music programming language in Python designed to write music in very handy syntax through music theory and algorithms.

  1 project | /r/Python | 26 May 2023

• Weekly No Stupid Questions Thread

  1 project | /r/ableton | 7 May 2023
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