We have all dealt with PDF files at one point or another in our time on the internet or in the office. From tickets purchased online, to business documents from work, school, or government ...

Google Drive lets you stay on top of collaborative projects. The suite is compatible with several file types, which bodes well for those of us who need to frequently share and edit docs, images, and ...

Adobe Acrobat is a fine editing tool (if you enjoy being pestered with constant updates). But Mac users have a built-in alternative that comes with features comparable to the free version of Acrobat.