QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Wondershare PDFelement - All-in-one PDF editor
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.
Trivia Crack Kingdoms - The amazing quiz game that lets you test your knowledge and challenge your friends to see who is the smartest. Developed by Etermax
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.