Adobe Acrobat DC (formerly Acrobat Exchange) is a commercial desktop publishing software that allows to view, print, share, annotate, as well as create, edit, convert, digitally sign, encrypt, export and publish PDF files. Its features include, edit scanned documents; create protected PDFs; export PDFs to MS Office; fill, sign, and send forms; delete sensitive information; work with Dropbox, Box, Google Drive, and OneDrive. Blog I Release Notes I Forum | User Guide I FAQ
Scribus is an Open Source program that brings professional page layout to Linux, BSD UNIX, Solaris, OpenIndiana, GNU/Hurd, Mac OS X, OS/2 Warp 4, eComStation, and Windows desktops with a combination of press-ready output and new approaches to page design. Underneath a modern and user-friendly interface, Scribus supports professional desktop publishing features, such as color separations, CMYK and spot colors, ICC color management, and versatile PDF creation. Books about Scribus are available in several languages, including an official manual for v1.