BookFusion - BookFusion lets you read, share, organize, bookmark and sync all your books.
calibre - Ebook manager, viewer & converter
Magzter - Magzter is the world's largest digital magazine newsstand with over 10,000+ magazines in its catalogue. Read them anytime and anywhere on iPad, iPhone, Android devices and the web.
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Foliate - A simple and modern eBook viewer.
All My Books - Book inventory, Ebook Collection Organizer, Book Collection Manager, Book Collection Organizer: