iLovePDF - Free online PDF tool set
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.
Smallpdf - PDF document management and conversion suite
Wondershare PDFelement - All-in-one PDF editor
Sejda - Split, merge and other powerful PDF tools.
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.