Useful Tools
Software for manipulating scales and tunings
- Scala - the de facto standard software for creating, manipulating and analyzing tunings
- alt-tuner - a tuning plug-in that does adaptive tunings, on-the-fly retuning, and scale analysis by Kite Giedraitis
- Fractal Tune Smithy & Bounce Metronome - by Robert Walker
- Scala to TUN and MTS online converter - by MicrotonalSoftware.com
- scalemap - drop-in microtonal note-to-frequency mapping functionality for C, C++, and Javascript
- Temperament finder - site by Graham Breed
- Tonescape - Music composition, analysis and educational tool by Joe Monzo
Browser-based tuning tools (JavaScript etc.).
- Animated MOS ring demo
- Diatonic Scale Explorer - Visualize the diatonic scale with different sizes of fifths
- edjiruler v0.0.1 - Visualize JI intervals close to equal divisions of whole numbers
- Frequency Explorer - a browser-based synthesizer + sequencer with precisely-configurable musical scale and harmonic spectrum
- Harmonic Entropy Calculator - Interactive Harmonic Entropy curves.
- Hexagonal Keyboard Demo[dead link] - by Sjoerd Visscher
- Interval calculator - a nice online interval calculator tool, shows linear fraction and EDO fraction expansions, too
- JI Scale Interval Calculator - Shows a list of all JI intervals in your JI scale
- Just Intonation -> EDO calculator
- Microtonal Software Scale Tree - ET Scale Tree Playground
- Microtonal-tuner - Wilckerson Ganda's tuner for all EDOs and EDONOIs (be sure to use https: not http:)
- Microtone[dead link] - A HTML5 uniform keyboard demo with any equal temperament
- The Monochord[dead link] - Try out just intervals from a base frequency.
- MOSedo - Moments of Symmetry in equal divisions of the octave calculator
- Music Calculators | Jeremiah Goyette (mostly set calculators)
- Offtonic Microtonal Synth
- Online 19-edo keyboard
- Online H-System Calculators - Hunt Intonation Quality Grade Point Average (IQGPA) Calculator
- Online Terpstra keyboard (isomorphic hexagonal keyboard)
- Rank 2 Regular Temperament Generator - generate rank2 regular temperaments
- Rational Keyboard - JI keyboard with keys that grow in size
- Scale Workshop - Generate tuning files in your browser
- Selected just intervals by error
- Selected just intervals by error (MediaWiki output)
- Table of edo intervals
- Tempered out comma finder
- Tempering out edo finder
- Tonespiral - Listen to harmonics visualized as a spiral
- Wickisynth - tuning demo synthesizer with Wicki-Hayden key layout
- Wolfram Alpha Regular Temperament Widgets
- Xen-calc An interval calculator that translates to/from ratios, cents, FJS and color notation, much more too.
- Xenpaper.com - A text-based microtonal sequencer, like a notepad. Write down musical ideas and share the link around
Useful tools for math in general
- Cents to Ratio Calculator - and much more! Also, another one with extensive instructions.
- Continued Fraction Calculator
- Fast Decimal to Fraction Approximations
- Fraction Calculator — An Android app that User:PiotrGrochowski recommends to install. Allows to do arithmetic on fractions, while not outputting a mixed fraction.
- Fraction Expression Calculator - easily do ratio arithmetic
- Least Common Denominator of Fractions (LCD) Calculator - put your JI ratios in here!
- Number To Fractions — Finds fractions to a number that improve over the previous. Allows restricting to 3–limit, 5–limit, 7–limit, 11–limit or 13–limit. Type a number to be approximated by JI ratios, or the binary logarithm of a ratio to be approximated by edo intervals.
- Octave - a free, open source equivalent to MATLAB; useful for working with matrices and much more
- Online LaTeX Equation Editor - create mathematical expressions in LaTeX format for wiki pages etc.
- Wolfram Alpha - perform a variety of intensive mathematical calculations in your browser