Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
myQuiz.org - myQuiz is an Audience Engagement Cloud Platform
SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
TestMOZ - TestMOZ is an online platform for creating interactive quizzes and questions to keep your audience engaged on your social media, websites, or blog channels.
Issuu - Issuu is the leading digital publishing platform delivering exceptional reading experiences of magazines, catalogs, and newspapers.
QuizWhizzer - QuizWhizzer is a platform that allows you to create a quiz to engage your audience inactivity.