Program to create non-Word or Excel PDFs.

Utility to extract and merge pages from PDF files.
Software that offers a practical solution for managing and editing PDF files.
Create PDF files from virtually any application.
Free and open-source graphical interface for pdftk (PDF Toolkit), a command-line tool used to manipulate PDF files.
Adobe Acrobat Reader allows you to view, comment, fill out, and sign PDFs on multiple platforms.