Rick Broida is the author of numerous books and thousands of reviews, features and blog posts. He writes CNET's popular Cheapskate blog and co-hosts Protocol 1: A Travelers Podcast (about the TV show ...

You can digitally sign a PDF in several different ways, including Adobe Acrobat, Apple's Preview app, and mobile apps, among other options.

Free software on your phone or tablet lets you scan, create, edit, annotate and even sign digitized documents on the go.

PDF Reader Pro is an easy-to-use PDF reader for Windows with basic editing functions. PDF Reader Pro is a free, lightweight Windows app that provides a basic set of tools for working with Adobe ...