Twiddle Coding has released a public beta version of a free composing web app called Mindful Harmony.
Mindful Harmony is described as "a composing app to help you become mindful of harmony":
- Use the circle of fifths as a basis for your compositions.
- Make deliberate, purposeful modulations.
- Quickly find available chords in a given scale.
- Experiment with harmony and expand your musical vocabulary.
Expand your musical vocabulary
Easily find the chords needed to modulate between different keys and scales.
Features:
- Explore the circle of fifths based on Ionian (Major), Harmonic Minor, and Melodic minor.
- See what modes are available in every position of the circle.
- Find chords in every scale on the circle.
- Choose between different chord extensions.
- Experiment with different voicings.
- Make a list of chords and play them in sequence.
- Watch the position of the chords in the circle of fifths on hover or when playing them in sequence.
- Several themes and sounds to choose from.
- Copy your progressions to the clipboard.
- Download individual chords as MIDI files.
- Completely free and ad-free.