Chords Explorer vs Open

Spark your next chord progression. Select a chord or roll the dice → build and refine → export to MIDI, WAV or TXT. Chords Explorer is a chord progression builder designed for musicians, producers and songwriters who want to quickly find and explore new ideas. Features Piano keyboard and guitar fretboard views Random chord generator to break creative blocks Real-time audio playback with adjustable tempo and sustain Smart chord suggestions based on music theory Drag and reorder chords in the timeline Inversions and voicing options Custom Chord Builder — define your own chord types with any interval combination Export to MIDI, WAV or TXT Community progressions — vote and discover Sharp / flat / auto notation that follows the detected key Available in English, Français, Español, Русский, 日本語 ABC and solfège notation Export, custom chords and real-time MIDI output are a one-time unlock — no subscription.

OpenShape is a chord and tuning tool for guitarists who go beyond standard tuning. Pick any tuning — DADGAD, Drop D, Open G, or a fully custom one — and OpenShape finds real, playable chord voicings across the whole fretboard, not just generic shapes. Add a capo and it recalculates instantly. Every note you hear is a real recorded acoustic guitar sample, not a synthesized tone. Features: • Exact chord voicings for any tuning, any capo position • Unlimited custom tunings (Pro) • Build and save chord progressions, with playback • Built-in microphone tuner • Real acoustic guitar audio for every chord • Dark mode • No account required, no ads Free includes standard tunings, the tuner, and up to 3 saved progressions. OpenShape Pro ($9.99 one-time) unlocks unlimited custom tunings and unlimited saved progressions — no subscription.