authorSTREAM - authorSTREAM enables presenters to upload & share PowerPoint, Keynote & PDF presentations online; embed in blogs, convert to video and share on social networks.
calibre - Ebook manager, viewer & converter
VCASMO - VCASMO is a multimedia presentation solution for photo and video slide shows, business presentations, training, academic teaching, sales pitches, and seminars.
FBReader - FBReader is an e-book reader for various platforms. Features:
Zentation - Affordable webinar software. Create online presentations with synchronized video and PowerPoint.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.