VCASMO - VCASMO is a multimedia presentation solution for photo and video slide shows, business presentations, training, academic teaching, sales pitches, and seminars.
calibre - Ebook manager, viewer & converter
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.
FBReader - FBReader is an e-book reader for various platforms. Features:
SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.