pdfpc vs Viber
A side-by-side look at pdfpc and Viber. For an in-depth review of either product, follow the links below.
pdfpc
Office & Productivity
pdfpc is an open-source presentation controller software for PDF files. It allows users to display slides and control the flow during presentations with features like a presenter screen, slide timer, pointer, and customizable keyboard shortcuts.
pdfpresentationsslidesopensource
Viber
Social & Communications
Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
messagingcallingfreecontacts