Tech riderRev. 9 Oct 2026

Open Music Theory

Ch 216.7of 27 Music Theory Software

1Runs onWeb
2CostsFree plan
3Interactive exercisesYes
4Notation toolsbasic
5Harmony toolsYes
6Supported platformsWeb

6 lines stated Written from the maker's own pages: openmusictheory.github.io

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Overview

Open Music Theory is ranked #21 of 27 in music theory software on Specifiction. It runs on Web. There is a free plan.

Open Music Theory plans and pricing

All plans

Open Music Theory Free No pricing or usage limits stated on the pages opened openmusictheory.github.io · 9 Oct 2026

Compared on music theory software

Free plan: Yesopenmusictheory.github.io
Interactive exercises: Yesopenmusictheory.github.io
Notation tools: basicopenmusictheory.github.io
Harmony tools: Yesopenmusictheory.github.io
Supported platforms: Webopenmusictheory.github.io

Facts

What it is: Open Music Theory is an open-source, interactive online textbook for college-level music theory courses.openmusictheory.github.io · 9 Oct 2026
Teaching approach: The textbook is designed to support active student engagement and is used by its original authors in flipped courses.openmusictheory.github.io · 9 Oct 2026
Reference style: The pages are intended as a quick reference alongside musical activity, with minimal graphical and audio examples.openmusictheory.github.io · 9 Oct 2026
Topics: The table of contents includes fundamentals, voice-leading, harmony, form, post-tonal music, pop and rock music, and text and music.openmusictheory.github.io · 9 Oct 2026
Interactive notation: The book includes interactive music notation modules built with technology supported by Trinket.openmusictheory.github.io · 9 Oct 2026
Trinket embedding: The site says Trinkets can be added to websites that support iFrames and that several are embedded in Open Music Theory.openmusictheory.github.io · 9 Oct 2026
Notation limits: The Trinket guide says the tool supports a limited set of musical features to keep notation simple.openmusictheory.github.io · 9 Oct 2026
Analysis layer limit: A page on applied chords states that Trinket supports only one layer of lyrics or harmonic analysis.openmusictheory.github.io · 9 Oct 2026
Open license: The textbook is licensed under CC BY-SA 4.0, which permits use, modification, distribution, and sale with attribution and the same licensing terms for derivatives.openmusictheory.github.io · 9 Oct 2026
Customization: The about page says users can fork the GitHub project and edit, add, or remove text, graphics, videos, and the HTML and CSS theme.openmusictheory.github.io · 9 Oct 2026
Download option: The about page says individual files can be downloaded for conversion into classroom handouts.openmusictheory.github.io · 9 Oct 2026
Publisher and editors: The textbook is published by Hybrid Pedagogy Publishing under editors Robin Wharton and Kris Shaffer.openmusictheory.github.io · 9 Oct 2026
Audience: The site describes the textbook as intended for college-level music theory courses.openmusictheory.github.io · 9 Oct 2026