Cool Reader - Fast and small cross-platform eBook reader for desktops and handheld devices
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
AlReader - Alreader.com - new perspective on reading e-books.
SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Substance - A JavaScript library for web-based content editing