Coltrane - music theory library

Coltrane is a music theory library with a command-line interface.

It deals with all sorts of calculations around music theory, and allows graphical representations.

This is free and open source software.

Features include:

Generate chord progressions for Jazz, Blues, Pop, or custom and see how to play them.
Seek chords, see their notes and how to play them.
Seek scales, see their notes and see how to play them.
Find chords that are common between 2 scales.
Find scales containing a chord or a set of notes.
Find possible progressions of a chord sequence.
All of the above can be seen on guitar, bass, piano or ukelele representations, no sheet music needed.
Interactive mode (shell).

Website: github.com/pedrozath/coltrane
Support:
Developer: Pedro Maciel
License: MIT License

Coltrane is written in Ruby. Learn Ruby with our recommended free books and free tutorials.

Explore Linux
	Best Free and Open Source Software - A huge collection of recommended free and open source software covering every major category.
	In-depth Linux Software Reviews - Detailed assessments of Linux software covering features, usability and overall quality.
	The Big List of Active Linux Distros - An extensive collection of actively developed Linux distributions.
	Open Source Alternatives - Alternatives to software and services from Google, Microsoft, Apple, Adobe, IBM, Autodesk, Oracle and others.
	Essential Linux System Tools - Indispensable utilities for monitoring, maintaining and managing Linux systems.
	Linux Productivity Tools - Useful utilities for improving productivity and streamlining everyday tasks.
	Alternatives to Popular CLI Tools - Modern alternatives to familiar command-line utilities supplied with Linux systems.
	Awesome Free Linux Game Tools - Tools, utilities and companion software that improve gaming on Linux.
	Machine Learning on Linux - Machine learning and deep learning software, self-hosted applications and practical tools.
	Saving Money with Linux - Practical ways to reduce electricity consumption and lower computing costs with Linux.
	Linux Candy - Fun, entertaining and sometimes delightfully quirky software from the lighter side of Linux.