Adobe Acrobat is expensive, but that doesn’t mean you have to live a
life without portable documents. What many people don’t realize is that PDF is a Federal Information Processing Standard, which means the specifications behind the format are widely published.

Numerous developers take advantage of this fact and create programs
that offer effective alternatives to Acrobat. Check out our list of
these programs and take advantage of these tools that are full of some
of the best PDF features and functions.