PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
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.
GSView - Use Ghostscript GSview to open PDF files with owner password restrictions.
Wondershare PDFelement - All-in-one PDF editor
A-PDF Restrictions Remover - For 9.99 $ A-PDF Restrictions Remover is extremely easy to use.
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.