Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Captain Chords - Write chord progressions in your favorite DAW
Wondershare PDFelement - All-in-one PDF editor
RapidComposer - MusicDevelopments RapidComposer: Music Prototyping and Automated Composition Software
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
Cthulhu - VST MIDI-FX plugin for harmonic inspiration