A free, open-source, online chord sheet creator

Chords Transposer and raw string parse into chords and lyrics

Create, manage, import/export and format chord charts, for printing and for on-screen viewing

Search for, display, transpose and save chords on your phone, that you get from the interwebs. 🎶

Chart viewer and editor (written in Elm)

Achordeon - a chord editor, organizer, notator

A class library for transpose music tonality.

Library to parse chords for android songbook

Chord Tools for Microsoft Word

Kotlin transposer library.

node server to reproduce many features of OpenSong and also to provide a chord viewer for tablets