Apple Keynote - Apple Keynote or just Keynote is an advanced level presentation software application created as a part of the iWork productivity suite by Apple Inc.
calibre - Ebook manager, viewer & converter
Prezi - Welcome to Prezi, the presentation software that uses motion, zoom, and spatial relationships to bring your ideas to life and make you a great presenter.
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.