Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
authorSTREAM - authorSTREAM enables presenters to upload & share PowerPoint, Keynote & PDF presentations online; embed in blogs, convert to video and share on social networks.
FlippingBook - FlippingBook changes the way you present your documents
projeqt - With Projeqt, your presentations never remain static. Pull in live tweets or blog feeds, insert an interactive map, add audio notes or stream videos. Let your presentations be as dynamic as you are.
Flipsnack - Flipsnack | PDF to HTML5 flipbooks
Zentation - Affordable webinar software. Create online presentations with synchronized video and PowerPoint.