PDF Lite

Here are some light PDF software's just in case your tired of Adobe ongoing crashes and security updates. Sometimes going lighter just makes things easier. And if you need more PDF help. Feel free to check out the links below.

Links:
Evince
SlimPdf
Naunce Pdf

Need to Edit PDF's try the following
LibreOffice

Interactive PDF's try the following
Scibus

Need PDF's editing security try the following
Link