docassemble - docassemble is a free, open-source expert system for guided interviews and document assembly.
CutePDF - CutePDF is a simple but entirely powerful PDF files creator, converter, and virtual printer.
HotDocs - Template-driven, automated document & form assembly software
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.
XpressDox - XpressDox Desktop for Microsoft® Office Word is an affordable document assembly system.
FoxIt - FoxIt offers solutions to read and edit PDFs from PCs or mobiles.