rechordLet's share your chord progressions!
chord-masterA web application for building chord progression
libfmplibfmp - Python package for teaching and learning Fundamentals of Music Processing (FMP)
chordialA simple Scala implementation of Chord, a distributed lookup protocol
Chord-DrawDraw guitar chord diagrams for all variations of any chord and also display finger positions etc.
ChordlyChordly is a javascript library that may be used to detect and act upon key sequences entered by a user.
chord-illustrator-jsSVG-based library, which illustrates finger positions of a guitar chord on a fretboard.