Captain Chords - Write chord progressions in your favorite DAW
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.
RapidComposer - MusicDevelopments RapidComposer: Music Prototyping and Automated Composition Software
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Cthulhu - VST MIDI-FX plugin for harmonic inspiration
Wondershare PDFelement - All-in-one PDF editor