Adobe Acrobat Reader
View, sign, collaborate on and annotate PDF files with Adobe’s free Acrobat Reader software. Will also improve opening PDF files in the browser
Apache OpenOffice
An office suite containing word processor, spreadsheet, presentation, graphics, formula editor, and database management applications
Malwarebytes Free
Malwarebytes protects all your devices and personal info from threats, so you can shop, play, and connect without a second thought
VLC Media Player
A cross-platform multimedia player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols