alternate-tunings

Free Community Edition guitar chord chart maker and chord finder for playable voicings, alternate tunings, progressions, and fretboard study.

A simply python tool to visualise a guitar keyboard in alternate tunings, includes predefined scales

Open, math-driven chord book for Brazilian viola caipira, guitar, cavaquinho and other string instruments. Chords are computed from intervals, so any tuning works. Free software (AGPL-3.0), no ads.

Free offline guitar tuner with the largest open song→tuning catalog: 27,800+ songs by 857 artists across 573 tunings and 18 scenes worldwide — including the Russian alt scene no other database covers. Target-constrained pitch detection, physically modelled reference tones. No signup, no ads.

A multichannel audio composition for an 8 speaker ring, where an octave is tuned to root 2

Find chord shapes in any guitar tuning (DADGAD, open G, drop D…) and name the chord from a shape. 変則チューニングのコードの押さえ方を探すWebアプリ