UPDF - UPDF is a free, unique, productive, and delightful PDF editor for Windows, Mac, iOS, and Android.
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.
calibre - Ebook manager, viewer & converter
PDF-XChange Editor - The smallest, fastest, most feature-rich PDF editor/viewer available
OverDRIVE - Make workspaces and sites automatically from Google Drive
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.