Captain Chords - Write chord progressions in your favorite DAW
Chordbase Lite - Chordbase Lite is a paperless solution for the gigging musicians to display lyrics and chords on mobile devices.
RapidComposer - MusicDevelopments RapidComposer: Music Prototyping and Automated Composition Software
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Cthulhu - VST MIDI-FX plugin for harmonic inspiration
SongBook - SongBook is a music app that helps you to manage your song collections complete with lyrics and chords.